Abstracts and talks

2014:

Freysteinn Sigmundsson, Sigrun Hreinsdottir, Andrew J Hooper, Ronni Grapenthin, Elias Rafn Heimisson, Benedikt Ofeigsson, Erik C Sturkell, Matthew J Roberts, Magnus Tumi Gudmundsson, Armann Hoskuldsson, Halldor Bjornsson, Pordur Arason, Michelle Parks, Stephanie Dumont and Vincent Drouin, Magma flow, eruption column and magma pressure change during 2010 Eyjafjallajökull and 2011 Grímsvötn eruptions, Iceland: Constraints from volcano geodesy on physical models of eruptive processes (Invited), Abstract V34B-02, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Freysteinn Sigmundsson, Vincent Drouin, Michelle Parks, Stephanie Dumont, Elias Rafn Heimisson, Asta Rut Hjartardottir, Pall Einarsson, Armann Hoskuldsson, Bryndis Brandsdottir, Thorsteinn Saemundsson, Tomas Johannesson, Jon Kristinn Helgason, Erik C Sturkell, Rikke Pedersen, Andrew J Hooper, Karsten Spaans, Christian Minet and Magnus Tumi Gudmundsson, Deflation and Deformation of the Askja Caldera Complex, Iceland, Since 1983: Strain and Stress Development on Caldera Boundaries Prior to Tsunami Generating Rockslide in 2014 at Lake Öskjuvatn, Abstract V51A-4715, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Freysteinn Sigmundsson, Andy Hooper, Elías Rafn Heimisson, Þóra Árnadóttir, Michelle Parks, Stéphanie Dumont, Vincent Drouin, Karsten Spaans, Benedikt Ófeigsson, Sigrún Hreinsdóttir, Hildur María Friðriksdóttir, Páll Einarsson, Rikke Pedersen, Interpretation of deformation captured by GPS and InSAR geodesy during the 2014 rifting event in the Bárðarbunga volcanic system, abstract Fall Meeting, Geoscience Society of Iceland, 22 November 2014.

Freysteinn Sigmundsson, Constraints on eruption dynamics and volcanic conduit processes inferred from volcano geodesy, talk at “From Magma Ascent to Ash Generation: Investigating Volcanic Conduit Processes by Integration of Experiments, Numerical Modelling and Observations”, MeMoVolc workshop, INGV-Sezione di Pisa, Pisa 25-26-27 October 2014.

Freysteinn Sigmundsson, European collaboration for improved studies of Icelandic volcanoes: Status of the FUTUREVOLC project after the initial 18 months, GEO European Projects’ Workshop (GEPW-8), Athens 12-13 June 2014.

Freysteinn Sigmundsson, Sigrun Hreinsdottir, Erik Sturkell, Benedikt Ofeigsson, Pall Einarsson, Matthew Roberts, Ronni Grapenthin, Thierry Villemin, Thora Arnadottir, and Halldor Geirsson , Deformation of Grímsvötn volcano, Iceland, 1992-2014: Constraints on magma flow in relation to eruptions in 1998, 2004 and 2011, Geophysical Research Abstracts
 Vol. 16, EGU2014-10561, 2014, 
EGU General Assembly 2014.

Coauthor of following presentations:

Amandine Auriac, Karsten Spaans, Freysteinn Sigmundsson, Andrew J Hooper, Helgi Bjornsson, Finnur Pálsson, Virginie Pinel and Kurt L Feigl, InSAR Observations and Finite Element Modeling of Crustal Deformation Around a Surging Glacier, Iceland, Abstract G41C-06, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Elias Rafn Heimisson, Pall Einarsson, Freysteinn Sigmundsson and Bryndis Brandsdottir, Seismicity and Deformation of Krafla Volcano, Iceland. Intervals of Low Seismicity Rate during Rapid Inflation Explained By the Kaiser Effect, Abstract V34B-08, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Halldor Geirsson, Peter C La Femina, Erik Sturkell, Benedikt Ofeigsson, Thora Arnadottir, Andrew J Hooper, Bjorn Lund, Peter Schmidt and Freysteinn Sigmundsson, Joint Inversion of GPS, InSAR, Tilt, and Borehole Strain Data from the 2000 Eruption of Hekla Volcano, Iceland, Abstract V34B-01, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

John C Eichelberger, Freysteinn Sigmundsson, Paolo Papale, Sigurdur Markusson, and Susan Loughlin, Direct Observation of Rhyolite Magma by Drilling: The Proposed Krafla Magma Drilling Project, Abstract V54A-05, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Michelle Parks, Stephanie Dumont, Vincent Drouin, Freysteinn Sigmundsson, Sigrun Hreinsdottir, Karolina Michalczewska, Sigurlaug Hjaltadottir, Benedikt Ofeigsson, Thora Arnadottir, Erik Sturkell, Karsten Spaans, Andrew J Hooper, Asta Rut Hjartardottir, Halldor Geirsson, Peter C La Femina and Elias Rafn Heimisson, Long-Term Geodetic Measurements at the Most Active Volcanoes in Iceland: Role of Interferometric Synthetic Aperture Radar and GPS in Hazard Monitoring at Hekla, Katla, Eyjafjallajökull and Askja Volcanoes, Abstract V41B-4801, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Sigurlaug Hjaltadottir, Sigrun Hreinsdottir, Kristin S Vogfjord, Freysteinn Sigmundsson and Rikke Pedersen, Inflation-Deflation Signals at Eyjafjallajökull Volcano, Iceland, During a Period of Intermittent Unrest, Abstract V54A-03, Am. Geophys. Un. Fall meeting, San Francisco, December 2014.

Jón Kristinn Helgason, Þorsteinn Sæmundsson, Sveinn Brynjólfsson, Tómas Jóhannesson, Harpa Grímsdóttir, Kristín S. Vogfjörð, Ármann Höskuldsson, Ásta Rut Hjartardóttir og Freysteinn Sigmundsson, Berghlaupið í Öskju 21. júlí 2014, abstract Fall Meeting, Geoscience Society of Iceland, 22 November 2014.

Hildur María Friðriksdóttir, Sigrún Hreinsdóttir, Þóra Árnadóttir, Benedikt G. Ófeigsson, Freysteinn Sigmundsson, Elías Rafn Heimisson, Ásta Rut Hjartardóttir, Michelle Parks, Stéphanie Dumont, Gunnar B. Guðmundsson, Jón Söring, Þorsteinn Jónsson, Bergur H. Bergsson, Vincent J.P.B. Drouin, Pete Lafemina, Sigurjón Jónsson, Erik Sturkell, Rick Bennet, Halldór Geirsson, Vilhjálmur Kjartansson, Pálmi Erlendsson, Halldór Ólafsson, Fyrstu viðbrögð við umbrotunum í Bárðarbungu með GPS landmælingum, abstract Fall Meeting, Geoscience Society of Iceland, 22 November 2014.

Vincent Drouin, Michelle Parks, Stéphanie Dumont, Freysteinn Sigmundsson, Benedikt Ófeigsson, Sigrún Hreinsdóttir, Hildur María Friðriksdóttir, Eyjólfur Magnússon, SAR satellite monitoring of the 2014 dyke intrusion and eruption within the Bárðarbunga volcanic system, abstract Fall Meeting, Geoscience Society of Iceland, 22 November 2014.

Amandine Auriac, Freysteinn Sigmundsson, Andy Hooper, Karsten Spaans, Helgi Björnsson, Finnur Pálsson, Virginie Pinel, and Kurt L. Feigl, Earth rheology in Iceland: new constraints from InSAR observations and models of crustal deformation induced by glacial surge and GIA, Geophysical Research Abstracts
, Vol. 16, EGU2014-11214, 2014
, EGU General Assembly 2014.

Charles Carrigan, John Eichelberger, Freysteinn Sigmundsson, Paolo Papale, and Yunwei Sun, Hypersolidus geothermal energy from the moving freeze-fracture-flow boundary, Geophysical Research Abstracts
Vol. 16, EGU2014-11610, 2014
, EGU General Assembly 2014.

John Eichelberger, Paolo Papale, and Freysteinn Sigmundsson, Volcano hazards implications of rhyolitic melt or magma at shallow depth under Krafla Caldera, Geophysical Research Abstracts, 
Vol. 16, EGU2014-8825, 2014
, EGU General Assembly 2014.

Jun Okada, Freysteinn Sigmundsson, Benedikt Ofeigsson, Teresa Ferreira, Joao Gaspar, Maria Lorenzo, Joao Araujo, and Rita Rodriques, Volcanic Unrest of Fogo Volcano in 2011-2012, S.Miguel Island, Azores, Observed by Continuous and Campaign GPS Analysis, Geophysical Research Abstracts
Vol. 16, EGU2014-13370, 2014, 
EGU General Assembly 2014.

Kristín S. Vogfjörd, Freysteinn Sigmundsson, Sverrir Th. Sverrisson, Sigurdur F. Sigurdsson, Benedikt G. Ófeigsson, Ólafur S. Arnarsson, Ingvar Kristinsson, Evgenia Ilyinskaya, Thorarna Ýr Oddsdóttir, Sölvi Th. Bergsveinsson, and Kristján R. Hjartansson, The FUTUREVOLC Supersite’s e-Infrastructure – A multidisciplinary data hub and data service for Icelandic Volcanoes, Geophysical Research Abstracts, Vol. 16, EGU2014-13545, 2014, 
EGU General Assembly 2014.

Md. Tariqul Islam, Erik Sturkell, Freysteinn Sigmundsson, Vincent Jean Paul B. Drouin, Benedikt G. Ófeigsson, Continuous deflation and plate spreading at the Askja volcanic system, Iceland: Constrains on deformation processes from finite element models using temperature-dependent non-linear rheology, Geophysical Research Abstracts
, Vol. 16, EGU2014-12534, 2014
, EGU General Assembly 2014.

Michelle Parks, Stéphanie Dumont, Karsten Spaans, Vincent Drouin, Freysteinn Sigmundsson, Andrew Hooper, Karolina Michalczewska, and Benedikt Ófeigsson, Icelandic Volcanoes Geohazard Supersite and FUTUREVOLC: role of interferometric synthetic aperture radar to identify renewed unrest and track magma movement beneath the most active volcanoes in Iceland, Geophysical Research Abstracts, 
Vol. 16, EGU2014-10707-2, 2014, 
EGU General Assembly 2014.

Sigrún Hreinsdóttir, Freysteinn Sigmundsson, Matthew Roberts, Halldór Björnsson, Ronni Grapenthin, Pórdur Arason, Thóra Árnadóttir, Jósef Hólmjárn, Halldór Geirsson, Richard Bennett, Magnús Gudmundsson, Björn Oddsson, Benedikt Ófeigsson, Thierry Villemin, Torsteinn Jónsson, Erik Sturkell, Ármann Höskuldsson, Gudrún Larsen, Thor Thordarson, and Bergrún Óladóttir, Geodetic constraints on volcanic plume height at Grímsvötn volcano, Iceland, Geophysical Research Abstracts
 Vol. 16, EGU2014-10068, 2014, 
EGU General Assembly 2014.

Stéphanie DUMONT, Michelle Parks, Freysteinn Sigmundsson, Kristín Vogfjörð, Heiðveig Maria Einarsdóttir, Magnús Tumi Gudmundsson, Ingvar Kristinsson, Sue Loughlin, Evgenia Ilyinskaya, Andrew Hooper, Arve Kylling, Claire Witham, Chris Bean, Aoife Braiden, Maurizio Ripepe, Fred Prata, Einar Pétur Heiðarsson, and other members of the FUTUREVOLC team, European collaboration for improved monitoring of Icelandic volcanoes: Status of the FUTUREVOLC project after the initial 18 months, Geophysical Research Abstracts
, Vol. 16, EGU2014-12033, 2014, 
EGU General Assembly 2014.

Vincent Drouin, Freysteinn Sigmundsson, Sigrún Hreinsdóttir, Benedikt G. Ofeigsson, Erik Sturkell, and Tariqul Islam, Crustal movements at a divergent plate boundary: interplay between volcano deformation, geothermal processes, and plate spreading in the Northern Volcanic Zone, Iceland since 2008, Geophysical Research Abstracts, 
Vol. 16, EGU2014-10740-3, 2014, 
EGU General Assembly 2014.

Werner Wittmann, Freysteinn Sigmundsson, Stéphanie Suzanne C. Dumont, and Benedikt Gunnar Ofeigsson, Modelling of thermal contraction of emplaced lava flows at Hekla volcano, Geophysical Research Abstracts
, Vol. 16, EGU2014-11009, 2014
 EGU General Assembly 2014.

2013:

Freysteinn Sigmundsson, Andy Hooper, Fred Prata, Magnus T. Gudmundsson, Arve Kylling, Sigrun Hreinsdottir, Benedikt G. Ofeigsson, Karsten Spaans, Vincent Drouin, Colm J. Jordan, Kristin Vogfjord, Ingvar Kristinsson, Sue Loughlin, Evgenia Ilyinskaya, Claire Witham, Chris Bean, Maurizio Ripepe, Christian Minet and other members of the FUTUREVOLC team, FUTUREVOLC: A European volcanological supersite in Iceland, a monitoring system and network for the future, talk at ESA/EUMETSAT volcanic ash and aviation User Workshop, Dublin, 4-6 March 2013.

Freysteinn Sigmundsson, Sigrún Hreinsdóttir and Þóra Árnadóttir, Measurements and models of glacial isostatic adjustment due to present day deglaciation of Iceland, talk at NGK (Nordiska Kommissionen för Geodesi) joint WG Workshop on Postglacial Land Uplift Modelling, Reykjavik, Iceland, 12 March 2013.

Freysteinn Sigmundsson, Mechanics of volcanic systems: Role of deep accumulation of boyant magma in viscoelastic surroundings, talk at Spring meeting, Geoscience Society of Iceland, 22. mars 2013.

Freysteinn Sigmundsson, FUTUREVOLC:  A Volcanological supersite in Iceland, GEO European Projects’ Workshop (GEPW-7), Barcelona 15-16 April 2013.

Freysteinn Sigmundsson, Kristin Vogfjord, Magnus T. Gudmundsson, Ingvar Kristinsson, Sue Loughlin, Evgenia Ilyinskaya, Andy Hooper, Arve Kylling, Claire Witham, Chris Bean, Aofie Braiden, Maurizio Ripepe, Fred Prata, Colm J. Jordan, and other members of the FUTUREVOLC team, FUTUREVOLC: A European volcanological supersite in Iceland, a monitoring system and network for the future, Geophysical Research Abstracts, Vol. 15, EGU2013-9495, 2013, EGU General Assembly 2013.

Freysteinn Sigmundsson, Mechanics of volcanic systems: Considerations of magma buoyancy and viscoelastic behaviour of host rock, Geophysical Research Abstracts, Vol. 15, EGU2013-10377, 2013, EGU General Assembly 2013.

Freysteinn Sigmundsson, FUTUREVOLC Supersite project: A European volcanological supersite in Iceland: a monitoring system and network for the future, talk at European Supersites Coordination Workshop, European Commission DG Research and Innovation, Brussels 10-11 June 2013.

Freysteinn Sigmundsson, The value of joint data interpretation and considerations of data interoperability in the FUTUREVOLC project, talk at European Supersites Coordination Workshop, European Commission DG Research and Innovation, Brussels 10-11 June 2013.

F. Sigmundsson, A. Hooper, F. Prata, M. Gudmundsson, A. Kylling, S. Hreinsdottir, B. Ofeigsson, K. Spaans, D. Vincent, C. Jordan, K. Vogfjord, I. Kristinsson, S. Loughlin, E. Ilyinskaya, C. Witham, C. Bean, M. Ripepe, C. Minet (10), FUTUREVOLC: A European Volcanological Supersite in Iceland, a Monitoring System and Network for the Future, talk at ESA Living Planet Symposium, Edinburgh UK 9-13 September 2013.

Freysteinn Sigmundsson, Crustal deformation and magma movements – implementation of scientific expertise into the observatories, talk at European Volcano Observatories Workshop (EVOW) within the MeMoVolc (Measuring and modeling volcanoe eruption dynamics) research network funded by the European Science Foundation (ESF), Furnas, Azores, 13-16 October 2013.

Freysteinn Sigmundsson, Benedikt Ofeigsson, Sigrun Hreinsdottir, Martin Hensch, Gunnar Gudmundsson, Kristin S Vogfjord, Matthew J. Roberts, Halldor Geirsson, Peter C La Femina, Andrew J Hooper, Erik C Sturkell, Pall Einarsson, Magnus Tumi Gudmundsson, Bryndis Brandsdottir, Susan C. Loughlin, and the FutureVolc Team, Magma movements and Iceland’s next eruptions, Abstract V34B03, Am. Geophys. Un. Fall meeting, San Francisco, December 2013.

Freysteinn Sigmundsson, Kristin S Vogfjord, Magnus Tumi Gudmundsson, Ingvar Kristinsson, Susan C. Loughlin, Evgenia Ilyinskaya, Andrew J Hooper, Arve Kylling, Claire S Witham, Christopher J Bean, Aofie Braiden, Maurizio Ripepe, Fred Prata, Colm J. Jordan, and the FutureVolc Team, FUTUREVOLC: A European volcanological supersite in Iceland, a monitoring system and network for the future, Abstract NH13B1615, Am. Geophys. Un. Fall meeting, San Francisco, December 2013.

Invited talk at a university:

Freysteinn Sigmundsson, Vincent Drouin, Karsten Spaans, Benedikt G. Ófeigsson, Amandine Auriac, Sigrún Hreinsdóttir, Erik Sturkell, Andy Hooper, Rikke Pedersen, Kurt Feigl, Tabrez Ali, Magma does the splits – the link between ground deformation and crust/mantle processes in the Northern Volcanic Zone of Iceland, invited seminar at Department of Geoscience and Remote Sensing, Delft University of Technology, Delft, Netherlands, 7 March 2013.

Other talks in Icelandic:

Freysteinn Sigmundsson, Ofurstöð í eldfjallafræði, erindi hjá rotarýklúbb eRótarý, Reykjavík, 17. janúar 2013.

Freysteinn Sigmundsson, Eldgos á Íslandi.  Erindi á útgáfuhátíð vegna bókarinnar Náttúruvá á Íslandi, eldgos og jarðskjálftar.  Málþing haldið 23. janúar í hátíðasal HÍ.

Freysteinn Sigmundsson, Ofurstöð í eldfjallafræði, erindi hjá Hamrinum, félagi áhugamanna um jarðfræði, Reykjavík, 27. febrúar 2013.

Freysteinn Sigmundsson, Rannsóknir á jarðskorpuhreyfingum – eldgos og jarðskjálftar, erindi hjá Rotaryklúbb Selfoss, 17. september 2013.

Freystein Sigmundsson, Vá af völdum eldgosa á Íslandi, erindi á haustfundi Jöklarannsóknafélags Íslands, 22. október 2013.

Coauthor of following presentations: 

Md. Tariqul Islam, Erik Sturkell, Freysteinn Sigmundsson and Benedikt G. Ófeigsson, Temperature-dependent non-linear rheological models of plate spreading in Iceland, Geophysical Research Abstracts, Vol. 15, EGU2013-11236, 2013, EGU General Assembly 2013.

Benedikt Gunnar Ofeigsson, Sigrun Hreinsdóttir, Freysteinn Sigmundsson, Thora Arnadottir, Kristin Vogfjord, Halldor Geirsson, Pall Einarsson, Sigurjon Jonsson, Thierry Villemin, Sigurdur Fjalar Sigurdsson, Matthew Roberts, Erik Sturkell, Peter C Lafemina, Richard Bennett, Christof Voelksen, Gudmundur Valsson, and Thorarinn Sigurdsson, Geodetic observations in Iceland: divergent plate boundary influenced by a hotspot, Geophysical Research Abstracts, Vol. 15, EGU2013-12560-3, 2013, EGU General Assembly 2013.

Kristin Vogfjord, Freysteinn Sigmundsson, and the FUTUREVOLC team, The Icelandic volcanological data node and data service, Geophysical Research Abstracts, Vol. 15, EGU2013-13284, 2013, EGU General Assembly 2013.

Vincent Drouin, Karsten Spaans, Sigrun Hreinsdottir, Freysteinn Sigmundsson and others , Deformation sources at a divergent plate boundary: interplay between volcano deformation, geothermal processes, and plate spreading in the NorthernVolcanic Zone, Iceland.  Erindi á IAVCEI (International Association of Volcanology and Chemistry of the Earth’s Interior) 2013 Scientific Assembly, Kagoshima, Japan, 20-24 July 2013.

Peter C La Femina, Halldor Geirsson, Thora Arnadottir, Bjorn Lund, Erik C Sturkell, Freysteinn Sigmundsson, Sigurjon Jonsson, Uplift in Iceland observed with 20 years of GPS data: Impact on models of plate motion and volcanic unrest, Abstract G41C-07, Am. Geophys. Un. Fall meeting, San Francisco, December 2013.

Erik C Sturkell, Tariqul M. Islam, Freysteinn Sigmundsson, Halldor Geirsson, Peter C La Femina, Continuous subsidence in the Thingvellir rift graben, Iceland: Geodetic observations since 1966 compared to rheological models of plate spreading, Abstract G41A0921, Am. Geophys. Un. Fall meeting, San Francisco, December 2013.

2012:

Sigmundsson; F., S. Hreinsdottir; B.G. Ofeigsson; A.J. Hooper; H. Geirsson; P. Einarsson; M.J. Roberts; E.C. Sturkell; T. Arnadottir; P.C. La Femina; F. Albino; V. Pinel; K. Michalczewska; A. Auriac; K. Spaans; A.T. Linde; S.I. Sacks; K. Feigl; T. Ali, Eruptive cycles at Icelandic volcanoes: Constraints on inflation/deflation patterns from geodetic measurements and modeling, Abstract V32A-02, Am. Geophys. Un. Fall meeting, San Francisco, December 2012.

Sigmundsson, F, Iceland Volcanism, talk in session “Volcanic Eruptions and Global Fallout” at EuroScience Open Forum 2012, 11-15 July 2012 Dublin, Ireland.

Sigmundsson, F., Mitigating the effects of volcanic eruptions in Iceland, talk at the 6th GEO European Projects’s Workshop, 7-8 May, 2012, Rome, Italy.

Freysteinn Sigmundsson, Sigrún Hreinsdóttir, Erik C. Sturkell, Matthew J. Roberts, Ronni Graphenthin, Halldór Geirsson, Benedikt G. Ófeigsson, Páll Einarsson, Thierry Villemin, Þóra Árnadóttir, Halldór Björnsson, Þórður Arason, Jósef Hólmjárn, Finnur Pálsson, Gunnar Guðmundsson, Richard A. Bennett, Björn Oddson, Magnús Tumi Guðmundsson, Helgi Björnsson,  Crustal deformation at Grímsvötn volcano:  Constraints on magma flow in relation to eruptions of 1998, 2004 and 2011, and location of a shallow magma chamber, Iceland, Geoscience Society of Iceland, Spring Meeting, 30 March 2012.

Sigmundsson, F. and 19 others, Volcanic unrest and eruptions in Iceland:  Measurements, models and mitigation, talk at meeting “Unrest at Santorini Caldera (2011-2012)”, 27-28 March 2012, Santorini, Greece. Organized by ISMOSAV, ESF (MeMoVolc programme) and EPOS.

Sigmundsson, F., S. Hreinsdóttir, B. Ófeigsson, A. Hooper, Th. Árnadóttir, R. Pedersen, P. Einarsson, B. Brandsdóttir, E. Sturkell, M. Roberts, M. T. Gudmundsson, K. Vogjörð, K. Feigl, Anatomy of Iceland’s Volcanoes: Crustal Deformation and Magma Movements, Conference on Magmatic Rifting and Active Volcanism organized by the Afar Rift Consortium, Addis Ababa, Ethiopia, 11-13 January, 2012.

Invited talks at universities:

Sigmundsson, F., Recharging before eruption:  Lessons learned from Icelandic volcanoes and observed inflation/deflation patterns, Departmental seminar, University of Oxford, 26 October 2012.

Sigmundsson, F., Tectonics, faults and earthquakes in Iceland, Geodesy lunch (tectonics group) seminar, University of Oxford, 26 October 2012.

Sigmundsson, F., Anatomy of Iceland’s volcanoes:  Crustal deformation and magma movements, “Frontiers in Earth Sciences” seminar, Ludwig-Maximilians Universität München (Department of Earth and Environmental Sciences), Technische Universität München, and Munich GeoCenter, München, Germany, 29 June, 2012.

In Icelandic:

Freysteinn Sigmundsson og FUTUREVOLC rannsóknahópurinn, Ofurstöð í eldfjallafræði – FUTUREVOLC, erindi í Hátíðasal HÍ við opnun FUTUREVOLC verkefnisins, 11. október 2012.

Freysteinn Sigmundsson, Öflugt alþjóðasamstarf í jarðvísindum – þarf meira til en Ísland?, erindi á Rannsóknaþingi Rannís 7. júní, 2012.

Freysteinn Sigmundsson, Hvenær gýs Hekla? Innviðir eldfjalls og jarðskorpuhreyfingar, fræðsluerindi Hins Íslenska Náttúrufræðifélags, 30. apríl 2012.

Co-author of following presentations:

Michalczewska, K.; S. Hreinsdottir; T. Arnadottir; S. Hjaltadottir; T. Agustsdottir; M.T. Gudmundsson; H. Geirsson; F. Sigmundsson; G. Gudmundsson, Inflation and deflation episodes in the Krisuvik volcanic system, Abstract V33A-2843, Am. Geophys. Un. Fall meeting, San Francisco, December 2012.

Geirsson, H. ; P.C. La Femina; T. Arnadottir; E.C. Sturkell; F. Sigmundsson; M.E. Travis; P. Schmidt; B. Lund; S. Hreinsdottir; R.A. Bennett, Deep Magma Accumulation at Hekla Volcano, Iceland, Insights from Geodetic Data, Abstract V33A-2847, Am. Geophys. Un. Fall meeting, San Francisco, December 2012.

Feigl, K.; T. Ali; H.F. Wang; G.O. Fridleifsson; O. Sigurdsson; F. Sigmundsson, Geodetic measurements and numerical models of deformation at the Svartsengi Geothermal Field, Iceland, 1992 – 2010, Abstract G41B-04., Am. Geophys. Un. Fall meeting, San Francisco, December 2012.

Bramham, E.; T.J. Wright; D.A. Paton; F. Sigmundsson; C. Pagli, Comparing Long and Short Term Deformation in the Krafla Fissure System, NE Iceland, using LiDAR, InSAR and GPS, Abstract G43A-0908, Am. Geophys. Un. Fall meeting, San Francisco, December 2012.

Kristín Vogfjörð, Freysteinn Sigmundsson, Benedikt Halldórsson, Guðmundur Valsson, EPOS og NERA:  Netverk rannsóknainnviða í jarðvísindum, Vorráðstefna Jarðfræðafélags Íslands, 30. Mars 2012.

Spaans, K.H., F. Sigmundsson, S. Hreinsdóttir, and B.G. Ófeigsson, High resolution surface deformation measurements in Iceland’s Northern Volcanic Zone: Unraveling multiple deformation sources using InSAR and GPS, Geoscience Society of Iceland, Spring Meeting, 30 March 2012.

Spaans, K.H., F. Sigmundsson, S. Hreinsdóttir, and B.G. Ófeigsson, High resolution surface deformation measurements in Iceland’s Northern Volcanic Zone: Unraveling multiple deformation sources using InSAR and GPS, Geophysical Research Abstracts, Vol. 14, abstract EGU2012-10604, 2012, EGU General Assembly 2012.

Auriac, A., F. Sigmudsson, K. H. Spaans, A. J. Hooper, P. Schmidt, and B. Lund, Rheology beneath Iceland: new insights from InSAR measurements and finite element modeling of uplift due to ice load changes around Vatnajökull ice cap, Geophysical Research Abstracts, Vol. 14, abstract EGU2012-10781, 2012, EGU General Assembly 2012.

Benediktsdóttir, Á., Ó. Gudmundsson, A. Tryggvason, R. Bödvarsson, B. Brandsdóttir, K. Vogfjörd, and F. Sigmundsson, Resolution for a local earthquake arrival time and ambient seismic noise tomography around the Eyjafjallajökull volcano, Geophysical Research Abstracts, Vol. 14, abstract EGU2012-12058, 2012, EGU General Assembly 2012.

Hreinsdottir, S., F. Sigmundsson, M. Roberts, Th. Árnadóttir, B. Ófeigsson, R. Grapenthin, E. Sturkell, T. Villemin, R. Bennett, and H. Geirsson, The 2010 Eyjafjallajökull and 2011 Grímsvötn eruptions: Insights from GPS geodesy, Geophysical Research Abstracts, Vol. 14, abstract EGU2012-13577-1, 2012 EGU General Assembly 2012.

Okada, J., F. Sigmundsson, B. Ofeigsson, R. Rodrigues, and T. Ferreira, Interactions between regional tectonics and volcanic deformations in the Azores, Geophysical Research Abstracts, Vol. 14, abstract EGU2012-13683, 2012, EGU General Assembly 2012.

Vogfjörd, K. S., F. Sigmundsson, S. Hjaltadóttir, H. Björnsson, Th. Arason, S. Hreinsdóttir, E. Kjartansson, R. Sigbjörnsson, B. Halldórsson, and G. Valsson, Networking of Icelandic Earth Infrastructures – Natural laboratories and Volcano Supersites, Geophysical Research Abstracts, Vol. 14, abstract EGU2012-13734, 2012, EGU General Assembly 2012.

2011:

Sigmundsson, F., S. Hreinsdóttir, H. Björnsson, Th. Arason, R. Grapenthin, M. J. Roberts, J. Holmjárn, H. Geirsson, Th. Árnadóttir, R. A. Bennett, B. Oddsson, M. T. Guðmundsson, B. G. Ófeigsson, T. Villemin, E. Sturkell, The 2011 explosive eruption, Iceland: Relation between magma chamber pressure drop inferred from high rate geodesy and plume strength from radar observations, Abstract V41E-08, AGU Fall meeting, San Francisco, December 2011.

Sigmundsson, F., S. Hreinsdóttir, K. Vogfjörd, M. Roberts, E. Sturkell, G. Guðmundsson, S. Jakobsdóttir, H. Björnsson, Þ. Arason, B. Brandsdóttir, P. Einarsson, M. T. Gudmundsson, and K. Sæmundsson, Unrest and eruptions at Grímsvötn and Krafla calderas, Iceland, Volcano Observatory Best Practice Workshop – Near Term Eruption Forecasting, Erice, Sicily, Italy, 11 – 15 September 2011.

Sigmundsson, F., Iceland geodynamics, crustal deformation and divergent plate tectonics, 2nd QUEST (Quantitative estimation of Earth´s seismic sources and structure) Workshop, Hveragerði, Iceland, 12-19 July, 2011.

Sigmundsson, F., M.T. Gudmundsson, T. Thordarson, S. Hreinsdóttir, S. Hjaltadóttir, K. Vogfjörð, O. Sigmarsson, Th. Árnadóttir, A. Hooper, and Th. Arason, Pulsating activity during the 2010 summit eruption of Eyjafjallajökull: Correlation of eruptive style, plume height, deformation, seismicity, earthquake tremor and chemical evolution of eruptive products, EGU2011-13388, Vol. 13, European Geosciences Union General Assembly, Vienna, April 2011.

Sigmundsson, F., O. Sigmarsson, A. Hooper, S. Hreinsdóttir, S. Hjaltadóttir, K. Vogfjörð, Th. Árnadóttir, R. Pedersen, P. Einarsson, K. Feigl and the Eyjafjallajökull volcano anatomy Team, The 2010 inflation and deflation sources of Eyjafjallajökull: Magma flow, geochemical characteristics and evidence for intrusion triggering of the explosive summit eruption (solicited talk), Vol. 13, EGU2011-13562, European Geosciences Union General Assembly, Vienna, April 2011.

Sigmundsson F, Hreinsdóttir S, Hooper A, Árnadóttir T, Roberts MJ, Hjaltadóttir S, Vogfjörð K, Brandsdóttir B, Hensch M, Guðmundsson MT, Höskuldsson Á, Björnsson H, Einarsson P, Pedersen R, Sturkell E, Feigl KL, Óskarsson N, Geirsson H, Auriac A & Ófeigsson B, Magmatic Movements and Seismicity Associated with Intrusions and Eruptions at Eyjafjallajökull (keynote talk), Volcanic and Magmatic Studies Group Annual Meeting, Queens’ College, Cambridge, 5-7 January 2011.

Invited talks at universities/institutes:

Rice University, Department of Earth Science, Houston Texas, USA, 17 November 2011.
Carnegie Institution, Department of Terrestrial Magnetism, Washington, DC, USA, 15 Nov. 2011.
University of Iceland, Increasing Effects of Natural Catastrophes, Hátíðarmálþing um áskoranir 21. aldar, í tilefni 100 ára afmælis HÍ, 7 Oct. 2011
USGS Cascades Volcano Observatory, Vancouver, WA, USA, 7 February 2011.

In Icelandic:

Freysteinn Sigmundsson, Inngangserindi um eldgosið í Eyjafjallajökli, Fræðaþing Landbúnaðarins, Hótel Sögu, 10-11 mars 2011.

Co-author of following presentations:

Amandine Auriac, Freysteinn Sigmundsson, Karsten Spaans, Andrew J Hooper, Peter Schmidt, and Bjorn Lund, GIA around Vatnajökull ice cap, Iceland: InSAR data and finite element modeling, Abstract G21C-02, AGU Fall meeting, San Francisco, December 2011.

Ófeigsson, B.G., S. Hreinsdóttir, F. Sigmundsson, K. Spaans, K. S. Vogfjörð, A. J. Hooper, E. C. Sturkell, M. J. Roberts, G. B. Guðmundsson, P. Einarsson, Th. Árnadóttir, S. Jakobsdóttir, G. Sigurðsson, M. T. Guðmundsson, H. Geirsson, R. A. Bennett, Increased volcanic unrest at Katla volcano, Iceland?, Abstract V53E-2690, AGU Fall meeting, San Francisco, December 2011.

Ali, T., K., Feigl, R. Pedersen, F. Sigmundsson (2011), 1993-2011 Time dependent deformation of Eyjafjallajokull volcano, Iceland, Abstract S31B-2235, AGU Fall meeting, San Francisco, December 2011.

Benediktsdóttir, Á., F. Sigmundsson, Th. Árnadóttir, Ó. Guðmundsson, R. Pedersen, S. Hreinsdóttir, S. Hjaltadóttir, K. Vogfjörð, M. Hensch, A. Tryggvason, and other members of the Volcano Anatomy group, Volcano Anatomy, 42nd Nordic Seismology Seminar, Reykjavík, October 5-7, 2011.

Geirsson, H., P. C. LaFemina, E. C. Sturkell, Th. Árnadóttir, F. Sigmundsson, M. E. Travis, S. Hreinsdóttir, R. A. Bennett, B.G. Ófeigsson, M. J. Roberts, M. Hensch, Constraints on the magma plumbing system of Hekla and the plate boundary in the South Iceland from geodetic GPS measurements 2000-2010, Abstract V53C-2640, AGU Fall meeting, San Francisco, December 2011.

Hooper, A., F. Sigmundsson, S. Hreinsdóttir, Th. Árnadóttir, D. Bekaert, R. Pedersen, M. Roberts, P. Einarsson, B. Ófeigsson, K. Feigl and the Eyjafjallajökull Geodetic Team, The 2010 inflation and deflation sources of Eyjafjallajökull: Modelling of geodetic data from InSAR and GPS, EGU2011-12804, Vol. 13, European Geosciences Union, Vienna, April 2011.

Hreinsdóttir, S., Th. Árnadóttir, F. Sigmundsson, A. Hooper, M. Roberts, H. Geirsson, and B. Ófeigsson, Surface Deformation Prior to and During the 2010 Eyjafjallajökull Eruptions from Spatial and Temporal Variations in GPS Time Series, EGU2011-10353, Vol. 13, European Geosciences Union, Vienna, April 2011.

Hreinsdóttir, S., Th. Árnadóttir, F. Sigmundsson, A. Hooper, M. Roberts, et al., The 2010 Eyjafjallajökull Volcano Unrest and eruptions: Spatial and temporal variations in ground deformation, Abstract 4367, IUGG, Melbourne, Australia, June 28 – July 7, 2011 (invited talk).

Hreinsdóttir, R. Grapenthin, F. Sigmundsson. M.J. Roberts, J. Holmjarn, H. Geirsson, Th. Árnadóttir, R. A. Bennett, T. Villemin, B.G. Ófeigsson, E. Sturkell, The 2011 Grímsvötn eruption from high rate geodesy, Abstract S34B-02, AGU Fall meeting, San Francisco, December 2011.

Michalczewska, K., S. Hreinsdóttir, A. Auriac, Th. Ágústsdóttir, Th. Árnadóttir, H. Geirsson, A. J. Hooper, G. B. Guðmundsson, P. Einarsson, F. Sigmundsson, K. Feigl, R. A. Bennett, The inflation and deflation episodes in the Krísuvík geothermal area, Abstract V53A-2589, AGU Fall meeting, San Francisco, December 2011.

Pedersen, R., F. Sigmundsson, A. J. Hooper, S. Hreinsdóttir, Th. Árnadóttir, M. J. Roberts, P. Einarsson, E. Sturkell and K. L. Feigl (2011) Imaging the magmatic plumbing system at Eyjafjallajökull volcano, Iceland, through 18 years of surface deformation observations. Geophysical Research Abstracts, Vol. 13, EGU2011-11656, EGU General Assembly 2011 (invited talk).

Pedersen, R. F. Sigmundsson, E. de Zeeuw-van Dalfsen, T. Masterlark (2011) Magma accumulation, migration and structure of spreading segments in Iceland – inferences from geophysical data and FEM models, Abstract V32A-04, AGU Fall meeting, San Francisco, December 2011.

Travis, M.E., P. LaFemina, H. Geirsson, Th. Árnadóttir, E.C. Sturkell, F. Sigmundsson, S. Hreinsdóttir, R.A. Bennett, Strain Partitioning in a Propagating Ridge System: Inter and Intra-Ridge Strain Accumulation in South Iceland, Abstract G11A-0838, AGU Fall meeting, San Francisco, December 2011.

Thorvaldur Thordarson, Chris Hayward, Séverine Moune, Margaret Hartley, Olgeir Sigmarsson, Ármann Höskuldsson, Magnús T. Guðmundsson, and Freysteinn Sigmundsson. The 20 March – 12 April 2010 Fimmvörðuháls eruption, Eyjafjallajöull volcano, Iceland: Volatile contents and magma degassing. EGU2011-12147

Thorvaldur Thordarson, Ármann Höskuldsson, Olgeir Sigmarsson, Magnús Guðmundsson, Eyjólfur Magnússon, and Freysteinn Sigmundsson. The 20 March to 12 April basaltic Fimmvörðuháls flank eruption at Eyjafjallajökull volcano, Iceland: course of events.  EGU2011-12212

2010:

Ali, T., K. Feigl, C. H. Thurber, T. Masterlark, B. Carr, F. Sigumundsson, Geodetic measurements and models of rifting in Northern Iceland for 1993-1998, Abstract G12A-05, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Auriac, A. S. Hreinsdóttir, F. Sigmundsson, A. Hooper, R. Pedersen, M. J. Roberts, E. Sturkell, J. Decriem, M. Hensch (2010) GPS and InSAR investigations on the ongoing activity at Eyjafjallajökull volcano. Geoscience Society of Iceland, Spring meeting, Abstract Volume, Askja, Reykjavik, Iceland, March 26th, 2010.

Auriac, A., K. Spaans, C. Bernard, F. Sigmundsson, A. J. Hooper, Glacio-isostatic adjustment around Vatnajökull icecap, Iceland, revealed by satellite radar interferometry, Abstract G34A-06, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Árnadóttir, Th., J. Decriem, S. Hreinsdóttir, A. Hooper, H. Geirsson, A. Tryggvason, F. Sigmundsson, R. Bennett, and P.LaFeimina, A geodetic source study of the May 2008 earthquake doublet in SW Iceland, bstract EGU2010-8597, presented at 2010 European Geosciences Union General Assembly, Vienna, Austria, 2-7 May 2010, Geophysical Research Abstracts vol. 12, 2010.

Árnadóttir, Th., S. Hreinsdóttir, A. Hooper, M.J. Roberts, H. Geirsson, F. Sigmundsson, Tracking magma movements within Eyjafjallajökull from spatial and temporal variations in GPS time series, Abstract V33C-2396, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

de Zeeuw-van Dalfsen, E., E. C. Sturkell, F. Sigmundsson, R. Pedersen, A. J. Hooper, Continuous deflation at Askja, Iceland, as seen in InSAR and precise levelling, Abstract G23C-0835, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Eriksson, P. I., Riishuus, M. S., Sigmundsson, F. and Elming, S. Å., Magma flow direction in the Streitishvarf composite dike inferred from field geology and anisotropy of magnetic susceptibility, Geoscience Society of Iceland, Spring meeting, Abstract Volume, Askja, Reykjavik, Iceland, March 26th, 2010.

Feigl, K., T. Ali, H.F. Wang, C. H. Thurber, Th. Árnadóttir, K.S. Vogfjörð, and F. Sigmundsson, Migrating Seismicity in South Iceland, Abstract T33B-2257, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Grapenthin R., F. Sigmundsson, B. Ofeigsson, and E. Sturkell, Surface loading affects internal pressure source characteristics derived from volcano deformation signals, abstract EGU2010-12520, presented at 2010 European Geosciences Union General Assembly, Vienna, Austria, 2-7 May 2010, Geophysical Research Abstracts vol. 12, 2010.

Gudmundsson, M. T., A. Höskuldsson, G. Larsen, O. Sigmarsson, Th. Högnadóttir, B. Oddsson, E. Magnússon, N. Óskarsson, F. Sigmundsson, P. Einarsson, S. Hreinsdóttir, R. Pedersen, I. Jónsdóttir, Th. Thordarson, C. Hayward, M. Hartley, R. Meara, K. Vogfjörd, E. Kjartansson, S. S. Jakobsdóttir, H. Björnsson, S. Karlsdóttir and S. Zophoniasson. The April 2010 eruption of the ice-capped Eyjafjallajökull, South Iceland, abstract EGU2010-15733, presented at 2010 European Geosciences Union General Assembly, Vienna, Austria, 2-7 May 2010, Geophysical Research Abstracts vol. 12, 2010.

Hreinsdóttir, S., A. Hooper, A. Auriac, F. Sigmundsson, M. Hensch, Th. Árnadóttir, M. Roberts, H. Sveinbjörnsson, R. Pedersen, H. GeirssonB. G. Ófeigsson, E. C. Sturkell, K. Feigl, Surface deformation of Eyjafjallajökull volcano during the 2009-2010 unrest, Abstract V21F-03, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Hreinsdóttir, S., A. Hooper, Th. Árnadóttir, F. Sigmundsson, R. Pedersen, H. Geirsson, M. Roberts, A. Auriac, J. Decriem, P. Einarsson, K. Feigl, M. Hensch, J. Hólmjárn, T. Ingvarsson, T. Jónsson, B. Lund, B. Ófeigsson, P. Schmidt, S. Steinthórsson, E. Sturkell, and H. Sveinbjörnsson, Inside the volcano: Mapping the convoluted path of magma ascent in Eyjafjallajökull volcano with GPS and InSAR, abstract EGU2010-15759, presented at 2010 European Geosciences Union General Assembly, Vienna, Austria, 2-7 May 2010, Geophysical Research Abstracts vol. 12, 2010.

Sigrún Hreinsdóttir, Þóra Árnadóttir, Martin Hensch, Björn Lund, Freysteinn Sigmundsson, Halldór Geirsson, Judicael Decriem, Marie Keiding and Rick Bennett, An inflation event in the Krísuvík geothermal area, Geoscience Society of Iceland, Spring meeting, Abstract Volume, Askja, Reykjavik, Iceland, March 26th, 2010.

Hreinsdóttir, Sigrún, Freysteinn Sigmundsson, Andy Hooper, Þóra Árnadóttir, Rikke Pedersen, Matthew J. Roberts, Níels Óslarsson, Amandine Auriac, Judicael Decriem, Páll Einarsson, Halldór Geirsson, Martin Hench, Benedikt G. Ófeigsson, Erik Sturkell, Hjörleifur Sveinbjörnsson og Kurt L. Feigl, Innviðir Eyjafjallajökuls og jarðskorpuhreyfingar, Haustráðstefna Jarðfræðafélags Íslands 2010. Ágrip erinda. Jarðfræðafélag Íslands, 65 bls.

Hjaltadóttir, Sigurlaug, Sigrún Hreinsdóttir, Matthew J. Roberts, Gunnar B. Guðmundsson , Amandine Auriac , FreysteinnSigmundsson, Steinunn Jakobsdóttir og jarðvárhópurinn á Veðurstofu Íslands, Jarðskjálftavirkni og landbreytingar samfara kvikuhreyfingunum undir Eyjafjallajökli 2009‐2010, Geoscience Society of Iceland, Spring meeting, Abstract Volume, Askja, Reykjavik, Iceland, March 26th, 2010.

Jónbjarnason, B., F. Sigmundsson, B. G. Ofeigsson, E. C. Sturkell, P. Einarsson, A. J. Hooper, F. G. Sigtryggsdottir, H. Geirsson, Crustal effects of the Hálslón water reservoir, Iceland: A three-dimensional model of the Earth’s response, Abstract T53C-2148, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Lund, B., C. Pagli, F. Sigmundsson, P. Schmidt, Th. Árnadóttir, and H. Björnsson.  Deglaciation effects on earthquakes and volcanism at a divergent plate boundary: Welcome to Iceland!, abstract EGU2010-13890, presented at 2010 European Geosciences Union General Assembly, Vienna, Austria, 2-7 May 2010, Geophysical Research Abstracts vol. 12, 2010.

Martins, J. C., K. Spaans, A. J. Hooper, F. Sigmundsson, K. Feigl, Eyjafjallajökull Magma Monitoring from Time Series Data of TerraSAR-X, Abstract G22B-02, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Ofeigsson, B. G., A. Hooper, F. Sigmundsson, B. Lund, P. Einarsson, H. Geirsson, E. C. Sturkell, Episode of magma injection 2007-2008 in Iceland’s lower crust: constraints from GPS and InSAR, Abstract V12A-02, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Ófeigsson, B., F. Sigmundsson, A. Hooper and E. Sturkell, InSAR time series analysis at Hekla volcano, Iceland: Inflation periods and crustal deformation associated with the 2000 eruption, Geoscience Society of Iceland, Spring meeting, Abstract Volume, Askja, Reykjavik, Iceland, March 26th, 2010.

Pedersen, R., F. Sigmundsson, S. Hreinsdóttir, Th. Árnadóttir, A. Höskuldsson, M.T. Guðmundsson, E. Magnússon, Surface deformation versus eruption rates of the two Eyjafjallajökull 2010 eruptions; implications for the magma plumbing system and origin of melts, Abstract G22B-01, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Pedersen, R., Sigmundsson, F., Einarsson, P., (2010) Unrest episodes in volcanic areas; signs, source and significance. 29th Nordic Geological Winter Meeting, Oslo, Jan. 11-13, 2010.

Pedersen, R., F. Sigmundsson, and P. Einarsson (2010) What’s up below Eyjafjallajökull volcano? – relations between seismicity and deformation. Geoscience Society of Iceland, Spring meeting, Askja, Reykjavik, Iceland, March 26th, 2010.

Pedersen, R., F. Sigmundsson, S. Hreinsdóttir, Th. Árnadóttir, A. Höskuldsson, M. T. Gudmundsson and E. Magnússon. Surface deformation versus eruption rates of the two Eyjafjallajökull 2010 eruptions; implications for the magma plumbing system and origin of melts. AGU Fall meeting, 13-17 December 2010, San Francisco.

Sigmundsson, F., S. Hreinsdóttir, A. J Hooper, Th. Árnadóttir, R. Pedersen, M. J. Roberts, N. Óskarsson, A. Auriac, J. Decriem, P. Einarsson, H. Geirsson, M. Hensch, B.G. Ófeigsson, E. C. Sturkell, H. Sveinbjörnsson, K. Feigl, Intrusion triggering of explosive eruptions: Lessons learned from Eyjafjallajökull 2010 eruptions and crustal deformation studies, Abstract V53F-02, presented at 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec. 2010.

Sigmundsson F., Geoscience for Mitigation the Effects of Natural Hazards: Examples from Indonesia, the Comores, and Eyjafjallajökull Eruptions, paper presented at RESCUE 2010, international conference, October 22-24, Reykjavik, Iceland, ICE-SAR (Landsbjörg), 2010.

2007:

Sigmundsson, F., E. Sturkell, R. Pedersen, P. Einarsson, Þ. Árnadóttir, 2007. Relation between volcano deformation and magma accumulation:  The role of magma compressibility, Iceland Geoscience Society, Spring meeting abstract volume, April 27, Reykjavik.

Sigmundsson, F., 2007. Multi-mode storage in volcano roots:  Physical aspects and examples from Iceland, 26th ECGS Workshop, Active volcanism and continental rifting with special focus on the Virunga (North Kivu, DRC), Luxembourg, November 19-21, 2007.

Sigmundsson, F., 2007. Magma chamber dynamics:  Constraints from geodetic studies, Symposium on “The existence of magma chambers:  an overview of current evidence”., Volume EU project meeting, Spain, October 17, 2007.

Sigmundsson, F., 2007. Landris og eldvirkni vegna rýrnunar Vatnajökuls: Áhrif á hönnun mannvirkja og vegakerfis, Rannsóknir Vegagerðarinnar, Ráðstefna 2. Nóvember 2007, Reykjavík.

Sigmundsson, F., 2007. Deep crustal storage of large volume of magma prior to catastrophic eruptions: The role of visco-elastic response to magma accumulation, Eos Trans. AGU,
88(52), Fall Meet. Suppl., Abstract V52B-02

Pagli, C. and Sigmundsson, F., 2007. Will Present day Glacier Retreat Cause Increased Volcanic Activity? Stress and its Effect on Magmatism induced by Glacier Retreat after the Little Ice Age at the Vatnajökull ice cap, Iceland, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract G13C-06

Ofeigsson, B., Einarsson, P., Sigmundsson, F.,  Sturkell, E., Ólafsson, H., Grapenthin, R., 2007. Crustal response to the formation of the Hálslón reservoir in Iceland, Eos Trans. AGU,
88(52), Fall Meet. Suppl., Abstract T21B-0583

Pinel, V., Sigmundsson, F., Sturkell, E., Geirsson, H., Einarsson, P., Gudmundsson, M. T., Albino, F., 2007. Influence of surface load variations on the monitoring and behaviour of a volcanic system: Application to Katla subglacial volcano, Iceland, Eos Trans. AGU,
88(52), Fall Meet. Suppl., Abstract V53C-1428

Grapenthin, R. ,Sigmundsson, F., Pedersen, R., Pinel, V., 2007. TI: Surface loading effects complicate the derivation of internal pressure source characteristics from volcano deformation signals, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract V53C-1421

Arnadottir, T., Lund, B., Jiang, W., Geirsson, H., Sigmundsson, F., Einarsson, P., 2007. Twenty Years of GPS in Iceland: What Have we Learned About the Plate Boundary?, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract G13C-05

Sturkell, E., Einarsson, P., Geirsson, H., Moore, J. G., Jakobsson, S. P., Sigmundsson, F. 2007. TI: Continuing subsidence and deformation of the Surtsey volcano, 1991 – 2002, Iceland, Eos Trans. AGU, 88(52), Fall Meet. Suppl., Abstract G43B-1194

2006:

Freysteinn Sigmundsson, Fire and ice on shaky grounds: Living with natural hazards, keynote lecture, 37th Nordic Seminar on Detection Seismology, Abstract volume, August 21-23, Nesjavellir, Iceland, 2006

Freysteinn Sigmundsson, R. Pedersen, K. Feigl, V. Pinel, H. Björnsson, F.Pálsson, Glacial surges flex the crust of the Earth:  Crustal deformation associated with rapid ice flow and mass redistribution at Icelandic outlet glaciers observed by InSAR, Raunvísindaþing 2006, 3-4 mars, 2006, Háskóli Íslands.

Sigmundsson, F., Sturkell, E., Geirsson, H., Pinel, V., Einarsson, P., Pedersen, R., Gudmundsson, M.T., Hognadottir, Th., Roberts, M.J., & Feigl, K., 2006: Ice-volcano interaction and crustal deformation at the subglacial Katla volcano, Iceland: GPS, InSAR and optical levelling tilt measurements compared to combined effects of magma accumulation and variable ice load. International Symposium on Earth and Planetary Ice-Volcano Interactions, Reykjavík, Iceland, 19 – 23 June 2006.

Sigmundsson, F., Einarsson, P., Sturkell, E., Ófeigsson, B., Grapenthin, R., Geirsson, H., Jakobsdóttir, S., & Halldórsson, P., 2006: Geologic hazards in the Kárahnjúkar area and their monitoring:  Will the Hálslón reservoir trigger deformation, fault slip and fracture opening? Geoscience Society of Iceland, Spring meeting 19/4-2006.

Sigmundsson, F.,  P. Einarsson, E. Sturkell, R. Pedersen, C. Pagli, Th. Árnadóttir, H. Ólafsson and H. Geirsson, Magma flow, storage and emplacement in the Icelandic crust: Constraints from space and terrestrial geodetic observations, A George P.L. Walker symposium on Advances in Volcanology, 12-17 June 2006, Reykholt, Borgarfjordur.

Sigmundsson, F., R. Pederesen, K. L. Feigl, V. Pinel, H. Björnsson, Elastic Earth responset to glacial surges: Crustal deformation associated with rapid ice flow and mass redistribution at Icelandic outlet glaciers
observerd by InSAR, European Geosciences Union General Assembly, April 2-7, 2006, Geophysical Research Abstracts, 8, 07822, 2006.

Sigmundsson, F., H. Eysteinsson, P. Einarsson, E. Sturkell, Krafla Rifting Episode 1975-1984: Constraints on Magma Flow From Time Series of Crustal Deformation and Gravity Change, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract T41B-1567, 2006.

Sturkell, E., Sigmundsson, F., & Geirsson, H., 2006: Inflation/deflation cycle of Grimsvötn volcano caused by magma movements prior to and during eruptions: constrains from GPS measurements 1992-2005. International Symposium on Earth and Planetary Ice-Volcano Interactions, Reykjavík, Iceland, 19 – 23 June 2006.

Sturkell, E., Einarsson, P., Sigmundsson, F., Geirsson, H., Ólafsson, H., Pedersen, R., De Zeeuw-van Dalfsen, E., Linde, A.T., Sacks, S.I., & Stefánsson R., 2006: Present-day volcano deformation in Iceland. George P.L. Walker symposium on Advances in Volcanology, Reykholt, Borgarfjordur, W-Iceland,12-17 June 2006, p. 38.

Sturkell, E., Sigmundsson, F., Geirsson, H., Halldór Ólafsson, H., & Theodórsson, Th., 2006: Post-rifting deformation processes 1989-2005 at Krafla volcano, Iceland: Constraints from local leveling, tilt and GPS observations. Geoscience Society of Iceland, Spring meeting 19/4-2006.

Sturkell, E., Geirsson, H., Árnadóttir, Th., Jiang, W., Pagli, C., Rennen, M., Völksen, C., Sigurdsson, T. Theódórsson, T., Erlingsson, J., Valsson, G., Einarsson, P., and Sigmundsson, F., 2006: Plate spreading and isostatic rebound, result from the nationwide 1993 and 2004 ISNET campaigns in Iceland, Bull. Geolog. Society of Finland, The 27th Nordic Geological Winter Meeting, Special Issue 1, p. 156, Oulu, Finland, 9-12 January 2006.

Sturkell, E., Einarsson, P., Sigmundsson, F., Geirsson, H., Soosalu, H., Knox, C., Ólafsson, H., Pedersen, R., Theodórsson, T., Present-day deformation at the Grímsvötn, Askja, and Krafla volcanoes, Geoscience
Society of Iceland, fall meeting, October 27, Reykjavík, 2006.

Sturkell, E., Ágústsson, K., Linde, A., Sacks, S. I., Einarsson, P. F. Sigmundsson, H. Geirsson, H. Olafsson, R. Pedersen and P. L. Famina, Current magma accumulation in the deep magma chamber under the Hekla volcano,
Iceland, Raunvísindaþing 2006, 3-4 mars, 2006, Háskóli Íslands.

Sturkell, E., F. Sigmundsson, H. Geirsson, R. Pedersen, E. de Zeeuw-van Dalfsen, H. Olafsson and T. Theodorsson, Local deformation processes 1989-2005 at Krafla volcano, Iceland: Constraints from levelling, tilt, InSAR and GPS observations, Trans. AGU, 87(52), Fall Meet. Suppl., Abstract G53A-0876, 2006.

Pagli, C., Sigmundsson, F., Lund, B., Geirsson, H., Sturkell, E., Einarsson, P., & Árnadóttir, Th., 2006: Glacio-isostatic deformation around the Vatnajökull ice cap, Iceland: Observations and Finite Element Modeling. International Symposium on Earth and Planetary Ice-Volcano Interactions, Reykjavík, Iceland, 19 – 23 June 2006.

Pagli, C., F. Sigmundsson, R. Pedersen, P. Einarsson, Th. Árnadóttir, and K. L. Feigl, Crustal deformation associated with the 1996 Gjálp subglacial eruption: InSAR studies in the affected areas adjacent to the Vatnajokull ice cap, EGU, Vienna, April, 2006.

Pagli, C., F. Sigmundsson, B. Lund, H. Geirsson, E. Sturkell, P. Einarsson, and Th. Árnadóttir, Ongoing and future glacio-isostatic crustal adjustments around Vatnajokull ice cap, Iceland due to ice retreat: GPS measurements and Finite Element Modeling, EGU, Vienna, April, 2006.

Pagli, C., F. Sigmundsson, B. Lund, H. Geirsson, E. Sturkell, P. Einarsson, and Th. Árnadóttir, Solid Earth Response to Recent Climate Warming: Glacio-isostatic deformation around the Vatnajokull ice cap,
Iceland, Induced by Glacier Retreat Last Century, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract G33B-0068, 2006.

Pedersen, R., and Sigmundsson, F., “InSAR derived source geometries of two recent intrusive events in the Eyjafjallajökull volcano, Iceland, and their relation to the tectonic setting”, EGU06-A-06409 , EGU General Assembly, Vienna, Austria, 2006.

Pedersen, R., T. Masterlark, F. Sigmundsson, and Th. Árnadóttir, Inter-rifting Deformation in an Extensional Rift Segment; the Northern Volcanic Zone, Iceland, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract
G34A-07, 2006.

Árnadóttir, Th., W. Jiang, H. Geirsson, E. Sturkell, C. Pagli, F. Sigmundsson, P. Einarsson and Th. Sigurdsson, Plate boundary deformation in Iceland observed by GPS,  A George P.L. Walker symposium on Advances in Volcanology, 12-17 June 2006, Reykholt, Borgarfjordur.

Árnadóttir, Th., W. Jiang, H. Geirsson, E. Sturkell, C. Pagli, F. Sigmundsson, P. Einarsson and Th. Sigurdsson, Plate spreading and uplift in Iceland (Landrek og landris á Íslandi),  Geoscience Society of Iceland, spring meeting, April 19, Reykjavík, 2006.

Árnadóttir, Th., W. Jiang, H. Geirsson, E. Sturkell, C. Pagli, F. Sigmundsson, P. Einarsson and Th. Sigurdsson, Plate spreading and rapid uplift observed by GPS in Iceland, Eos Trans. AGU, 87(52), Fall Meet.
Suppl., Abstract G43B-1004, 2006.

Ófeigsson, B. G., E. Sturkell, F. Sigmundsson, H. Ólafsson, P. Einarsson, Crustal deformation in the Kárahnjúkar area: GPS-network measurements in 2005, Raunvísindaþing 2006, 3-4 mars, 2006, Háskóli Íslands.

Ófeigsson, B., P. Einarsson, F. Sigmundsson, E. Sturkell, H. Ólafsson, and R. Grapenthin, Expected Crustal Movements due to the Planned Hálslón Reservoir in Iceland, Trans. AGU, 87(52), Fall Meet. Suppl., Abstract
T13A-0495, 2006.

Grapenthin, R., F. Sigmundsson, H. Geirsson, Th. Árnadóttir, Icelandic rhythmics: Annual modulation of land elevation and plate spreading by snow load, Eos Trans. AGU, 87(52), Fall Meet. Suppl., Abstract G33B-0055, 2006.

2005:

Freysteinn Sigmundsson, Halldór Geirsson, Erik Sturkell, Páll Einarsson, Pete La Femina, Tim Dixon, Christof Völksen, Þóra Árnadóttir, Carolina Pagli, Rikke Pedersen, Geodetic Constraints on plate boundary models and
dynamics in Iceland, Vorráðstefna 9. apríl 2005, Ágrip erinda og veggspjalda, Jarðfræðafélag Íslands, bls. 28-29.

Rikke Pedersen, de Zeeuw-van Dalfsen, E., Freysteinn Sigmundsson og Carolina Pagli (2005), Deep-seated recharging of the Krafla volcanic system, Vorráðstefna 9. apríl 2005, Ágrip erinda og veggspjalda, Jarðfræðafélag
Íslands, bls. 55-56.

Halldór Geirsson, Páll Einarsson og Freysteinn Sigmundsson (2005), Jarðskorpuhreyfingar og hæð sjávarstöðu, ráðstefna um áhrif sjóflóða og hækkunar sjávarstöðu á skipulag, Verkfræðideild Háskóla Íslands, 28. apríl

Pagli, C., Sturkell, E., Geirsson, H., Freysteinn Sigmundsson, Einarsson, P., Árnadóttir, Þ. and Pinel, V. (2005) Modeling and observations of current glacio-isostatic crustal movements around Vatnajökull ice cap, ICS 2005 -
Second International Coastal Symposium in Iceland, Höfn, Hornafjörður, 5-8 June, 2005, Icelandic Maritime Administration, Abstract volume, p. 91-92, http://www.itv.is/ics2005/

Freysteinn Sigmundsson, Pagli, C., Sturkell, E., Geirsson, H., Pinel., V. and Einarsson, P. (2005) Forecasting future uplift and crustal response around Vatnajökull ice cap due to ice unloading, ICS 2005 – Second
International Coastal Symposium in Iceland, Höfn, Hornafjörður, 5-8 June, 2005, Icelandic Maritime Administration, Abstract volume, p. 93, http://www.itv.is/ics2005/

Rikke Pedersen og Freysteinn Sigmundsson (2005), “Applications of InSAR for crustal deformation monitoring in Iceland”, erindi á ráðstefnu “The establishment of a new vertical reference for Iceland”, fundur á vegum Nordisa Kommisionen för Geodesi (NGK)

Rikke Pedersen og Freysteinn Sigmundsson (2005), An overview of the utilization of interferometric synthetic aperture radar images for observation of Icelandic crustal deformation, erindi á ráðstefnu “GI Norden 2005 – What’s up, GI Norden Conference”, Hotel Nordica, Reykjavík, 15. júní, 2005 samnorræn ráðstefna á vegum norræna félaga um landupplýsingakerfi – LÍSU samtökin á Íslandi.

Freysteinn Sigmundsson, Pagli, C., Sturkell, E., Geirsson, H., Einarsson, P., Árnadóttir, Þ. and Björnsson, H. (2005), Landris við Vatnajökul, Ráðstefna um rannsóknir Vegagerðarinnar 2005, Ráðstefna á Hótel Nordica 11.
nóvember 2005.

Freysteinn Sigmundsson, Pedersen, R., Feigl, K. L., Pinel, V. and Björnsson, H. (2005) Glacial surges flex the crust of the Earth: Crustal deformation associated with rapid ice flow and mass redistribution at Icelandic outlet
glaciers observed by InSAR, EOS Trans. Am. Geophysical Union, 86, AGU Fall Meeting abstracts, abstract no G42A-07.

Pedersen, R.., Freysteinn Sigmundsson, Einarsson, P., Brandsdóttir, B., and Árnadóttir, Th. (2005) Controlling factors on earthquake swarms associated with magmatic intrusions; constraints from Iceland, EOS Trans. Am. Geophysical Union, 86, AGU Fall Meeting abstracts, abstract no G33A-0017.

2004:

Sigmundsson, F., E. Sturkell, V. Pinel, P. Einarsson, R. Pedersen, H. Geirsson, M. T. Gudmundsson, H. Bjornsson, C. Pagli, Deformation and eruption forecasting at volcanoes under retreating ice caps: Discriminating signs of magma inflow and ice unloading at Grimsvotn and Katla volcanoes, Iceland, EOS Transactions American Geophysical Union, 85, AGU Fall Meeting Suppl., Abstract G42A-07, 2004.

Sturkell, E., P. Einarsson, F. Sigmundsson, M. J. Roberts, H. Geirsson, H. Olafsson, R. Pedersen, E. de Zeeuw-van Dalfsen, A. Linde, S. I. Sacks, R. Stefansson, Magma dynamics and volcano geodesy in Iceland, EOS Transactions American Geophysical Union, 85, AGU Fall Meeting Suppl., Abstract G51A-0055, 2004

Pedersen, R., F. Sigmundsson, K. Feigl, C. Pagli, S. Jonsson, E. De zeeuw-van Dalfsen, H. Vadon, Crustal deformation in Iceland: Constraints on tectonic and magmatic processes from InSAR observations, EOS Transactions American Geophysical Union, 85, AGU Fall Meeting Suppl., Abstract G51B-0076, 2004.

La Femina, P. C., T. Dixon, R. Malservisi, Th. Arnadottir, F. Sigmundsson, E. Sturkell, Strain partioning and accumulation across overlapping spreading centers: Geodetic GPS measurements in South Iceland, EOS Transactions American Geophysical Union, 85, AGU Fall Meeting Suppl., Abstract G13C-01, 2004.

Pedersen, R., and Sigmundsson, F., Temporal development of intrusive episodes in the Eyjafjallajökull volcano, Iceland, derived from InSAR images, IAVCEI general assembly 2004, Pucón, Chile, 14-19 Nov., 2004.

de Zeeuw-van Dalfsen, R. Pedersen, F. Sigmundsson, and C. Pagli, Deep accumulation of magma near the crust-mantle boundary at the Krafla volcanic system, Iceland: Evidence from satellite radar interferometry 1993-1999, IAVCEI general assembly 2004, Pucón, Chile, 14-19 Nov., 2004.

de Zeeuw-van Dalfsen, H. Rymer, D. A. Rothery, E. Sturkell, and F. Sigmundsson, The integration of micro-gravity, geodetic and water extraction data at Krafla volcano, NE Iceland, IAVCEI general assembly 2004, Pucón, Chile, 14-19 Nov., 2004.

Pedersen, R., Sigmundsson, F., Feigl, K.L., Pagli, C., Jónsson, S., de Zeeuw-van Dalfsen, E., Vadon, H., InSAR observations of crustal deformation in Iceland – An overview, ENVISAT symposium, 6-10 Sept., 2004, Salzburg, Austria, 2004.

Sigmundsson, F., R. Pedersen, E. Sturkell, P. Einarsson, H. Geirsson, Þ. Árnadóttir, C. Pagli, W. Jiang, H. Ólafsson, R. Ólafsdóttir, Interpretation of volcano deformation: Constraints on magma storage, volumes, flow rates, and future events on volcanoes, Raunvísindaþing, 16-17 apíl 2004, ágrip erinda og veggspjalda, p. 55, 2004.

Pedersen, R., Sigmundsson, F., and Pagli, C., Satellite observations of Icelandic crustal deformation, Raunvísindaþing, 16-17 apíl 2004, ágrip erinda og veggspjalda, p. 55, 2004.

Sigmundsson, F., Widespread increase in magma pressure precedes major failure along the plate boundary in Iceland, 26th Nordic Geological Winter Meeting, January 6-9, 2004, Uppsala, Abstract Volume, GFF, 126, p. 50.

Sturkell, E., H. Geirsson, F. Sigmundsson, Þ. Árnadóttir, R. Pedersen, C. Pagli, and P. Einarsson, Crustal deformation and volcano dynamics in Iceland, 26th Nordic Geological Winter Meeting, January 6-9, 2004, Uppsala, Abstract Volume, GFF, 126, p. 51.

2003:

E. Sturkell, F. Sigmundsson, P. Einarsson, H. Geirsson, M. J. Roberts, Magma inflow into Katla, one of Iceland’s most hazardous volcanoes, EOS Transactions American Geophysical Union, 84, AGU Fall Meeting abstracts, p. F1503, 2003.

C. Pagli, F. Sigmundsson, Th. Arnadottir, P. Einarsson, Subsidence of Askja volcano, North Iceland, EOS Transactions American Geophysical Union, 84, AGU Fall Meeting abstracts, p. F1520, 2003. (poster)

D. Richard, S. Owen, and F. Sigmundsson, Dike models of tiltmeter data from the 1984 rifting event at Krafla, Iceland: Testing for a vertical component to the propagation direction, , EOS Transactions American Geophysical Union, 84, AGU Fall Meeting abstracts, p. F1523, 2003. (poster)

F. Sigmundsson, Kvikuhreyfingar og eldgosahætta í og við vatnsverndarsvæði Reykjavíkur, ágrip fyrir Ráðstefnu um vatnsvernd á höfuðborgarsvæðinu, 12. nóvember 2003, Reykjavíkurborg.

F. Sigmundsson, and P. Einarsson., Rheology of hotspot-ridge interaction: Observations and interpretations from Iceland, EGS-AGU-EUG Joint Assembly, Nice, France, Abstract 06434, 2003.

Pagli, C., Pedersen, R., Sigmundsson, F., Feigl, K.L., Triggered aseismic slip on the Reykjanes Peninsula, Iceland captured by radar interferometry, EGS-AGU-EUG Joint Assembly, Nice, France, Abstract 06434, 2003.

Pedersen, R., Sigmundsson, F., Vogfjörð, K.S., Repeated Intrusive Events Observed by InSAR and Their Spatially Offset Seismicity, Iceland Natural Laboratory, EGS-AGU-EUG Joint Assembly, Nice, France, Abstract 01083, 2003. (poster)

Feigl, K. L., Dubois, L., Komatitsch, D., Pedersen, R., Arnadottir, T., Vogfjord, K., Sigmundsson, F., Finite element models of co- and post-seismic deformation from two M 6.6 earthquakes in Iceland, EGS-AGU-EUG Joint Assembly, Nice, France, Abstract 04724, 2003.

2002:

Halldor Geirsson, Th. Arnadottir, F. Sigmundsson, P. Einarsson, Th. Villemin, Continuous GPS measurements in Iceland 1999-2002, EOS Transactions American Geophysical Union, 83, AGU Fall Meeting abstracts, p. F380, 2002.

R. Pedersen, and F. Sigmundsson, Temporal development of repeated intrusive events in a south Iceland volcanic system, inferred from InSAR measurements, EOS Transactions American Geophysical Union, 83, AGU Fall Meeting abstracts, p. F1343, 2002.

D. Richard, S. Owen, and F. Sigmundsson, Dike propagation models of tiltmeter data from the 1984 rifting event at Krafla volcano, EOS Transactions American Geophysical Union, 83, AGU Fall Meeting abstracts, p. F1349, 2002.

Sigmundsson F. & Einarsson, P. 2002. Plume-ridge interaction in Iceland: Expression in crustal deformation fields and volcanic activity, The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume, p. 187.

Sigmundsson, F., Pedersen, R., Arnadottir, T. Einarsson, P., Sturkell, E., Geirsson, H. and Feigl, K. 2002. Inferring Volcano Dynamics and Magma Budget from Crustal Deformation Studies at Icelandic Volcanoes. EOS Transactions American Geophysical Union, 83, AGU Fall Meeting abstracts, p. F1382, 2002.

Sigmundsson, F. Pedersen, R. Clifton, A. Pagli C. & Ólafsdóttir, R. 2002. Crustal deformation in Iceland measured by Interferometric Analysis of Synthetic Aperture Radar Images (InSAR), The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume, p. 188.

Sigmundsson, F., Pedersen, R., Pagli, C., Feigl, K., Sturkell, E., 2002. Styles of Volcano Deformation in Iceland Mapped by InSAR. EOS Transactions American Geophysical Union, 83, AGU Fall Meeting abstracts, p. F364, 2002.

Sturkell, E., Einarsson, P., Sigmundsson, F., Hreinsdóttir, S., & Geirsson, H. 2002. Geodetic observations of the 1998 Grímsvötn eruption: Co-eruptive subsidence and subsequent inflation, observed by GPS, The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume, p. 202. (poster).

Sturkell, E., Einarsson, P., Sigmundsson, F., Hreinsdóttir, S., & Geirsson, H.,2001: Deformation of Grímsvötn volcano, Iceland: 1998 eruption and subsequent inflation, The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume.

Pagli, C. Pedersen, R., Sigmundsson F. and Feigl, K.L. 2002. Crustal deformation at the Reykjanes Peninsula, Iceland, from 1992–2000, measured by Satellite Radar Interferometry, The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume, p. 150.

Pedersen, R. Sigmundsson, F. Jonsson, S. Feigl, K.L.cand Árnadóttir, Th. 2002. Bookshelf tectonics observed from space, The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume, p. 152.

Pedersen, R. Sigmundsson, F. Feigl, K.L. Sturkell, E. Einarsson, P. Jonsson, S. Agustsson, K. Linde, A. and Bretar F. 2002. Deformation of Volcanoes – what InSAR, tilt, GPS and strain data can tell us about Hekla, The 25th Nordic Geological Winter Meeting in Reykjavík, 6-9 Jan 2002, abstract volume, p. 153.

2001:

F. Sigmundsson, and P. Einarsson, Plume-ridge interaction in Iceland: Expression in crustal deformation fields and volcanic activity, EOS Transactions American Geophysical Union, 82, AGU Fall Meeting abstracts, p. F1184, 2001.

F. Sigmundsson, Crustal deformation in Iceland, Abstract volume for meeting on the Icelandic crust, Svartsengi (Rannís+NSF supported), September 2001.

F. Sigmundsson, R. Pedersen, K.L. Feigl, Erik Sturkell, Pall Einarsson, Sigurjon Jonsson, Kristjan Agustsson, Alan Linde and Frederic Bretar: Joint Interpretation of Geodetic Data for Volcano Studies: Evaluation of Pre- and Co-eruptive Deformation for the Hekla 2000 Eruption from InSAR, Tilt, GPS and Strain Data, AGU fall meeting, San Francisco, USA, December 2001.

R. Pedersen, F. Sigmundsson, S. Jonsson, K.L. Feigl, and Th. Árnadóttir: Bookshelf Tectonics Observed by InSAR: Co-seismic Deformation and Triggered “Back-Slip” in the South Iceland Seismic Zone from, June 2000 earthquakes, AGU fall meeting, San Francisco, USA, December 2001.

Dixon, T.H., Árnadóttir, Þ., Dixon, J.E., LaFemina, P., Höskuldsson, H., Ofoegbu, G., Sigmundsson, F., Stefánsson, R., Sturkell, E., 2001: Deformation at Torfajökull and Hekla Volcanoed, South Iceland: Influence of regional of tectonics and viscoelasticity, Symposium on the Icelandic plume and crust, Svartsengi Goethermal Power Plant, 8-10 Sep, 2001, 38.

Sturkell, E., Sigmundsson, F., Einarsson, P., Hreinsdóttir, S., & Geirsson, H., 2001: Magma movements and unrest at the Katla and Eyjafjallajökull volcanoes in the period 1994-2001. The Icelandic Geological Society Island spring meeting, Reykjavík, 69.

Amy E. Clifton, Freysteinn Sigmundsson, Þóra Árnadottir, Kurt Feigl& Gunnar Guðmundsson, Faulting and deformation resulting from magma accumulation at the Hengill triple junction SW-Iceland. Geoscience Society of Iceland, Spring Meeting 2001, p.12. (poster)

Freysteinn Sigmundsson & Páll Einarsson, 1994-2000 Volcanic and Seismic Unrest at a 200-km-long Stretch of the Mid-Atlantic Ridge Plate Boundary in Iceland: Episodic Magma Delivery. Geoscience Society of Iceland, Spring Meeting 2001, p. 16.

Rikke Pedersen, Freysteinn Sigmundsson, Kurt Feigl & Þóra Árnadóttir, The SISZ earthquakes, June 2000: Fault geometry and slip distribution inferred from InSAR. Geoscience Society of Iceland, Spring Meeting 2001, p. 65.

Erik Sturkell, Freysteinn Sigmundsson, Páll Einarsson, Sigrún Hreinsdóttir & Halldór Geirsson, Magma movements and unrest at the Katla and Eyjafjalla-jökull volcanoes in the period 1994-2001. Geoscience Society of Iceland, Spring Meeting 2001, p. 69.

Sverrir Guðmundsson, Freysteinn Sigmundsson, Magnús Tumi Guðmundsson, Helgi Björnsson, Jens Michael Carstensen & Helmut Rott, Three-Dimensional Surface Motion Maps Estimated From Combined InSAR And GPS Data. Geoscience Society of Iceland, Spring Meeting 2001, p. 70.

R. Pedersen, F. Sigmundsson, K.L. Feigl and Th. Árnadóttir: The SISZ earthquakes, June 2000: Fault geometry and slip distribution inferred from InSAR, JFI spring meeting, Reykjavik, April 2001.

R. Pedersen, F. Sigmundsson, Th. Árnadóttir, K. Ágústsson, K.L. Feigl: The Earthquake in South Iceland on June 17, 2000: An InSAR based model compared to GPS and volumetric strain data, EUG meeting, Strasbourg, April 2001.

R. Pedersen, F. Sigmundsson, Th. Árnadóttir, K. Ágústsson, K.L. Feigl: The Earthquake in South Iceland on June 17, 2000: An InSAR based model compared to GPS and volumetric strain data, EGS meeting, Nice, France, March 2001.

2000:

Freysteinn Sigmundsson, Improved Eruption Warnings in a New Century – Role of Deformation Data, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F1255, 2000.

P. Einarsson, A. Clifton, F. Sigmundsson, and R. Sigbjornsson, The South Iceland Earthquakes of June 2000: Tectonic Environment and Effects, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F890, 2000.

A. Clifton and F. Sigmundsson, Faulting and Deformation Resulting from Magma Accumulation at the Hengill Triple Junction, SW-Iceland, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F1233, 2000.

R. Pedersen, A. Clifton, P. Einarsson, and F. Sigmundsson, Styles of Surface Rupture Accompanying the June 17 and 21, 2000 Earthquakes in the South Iceland Seismic Zone, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F1171, 2000.

S. Gudmundsson, F. Sigmundsson, and J. M. Carstensen, Three-dimensional surface motion maps estimated from combined InSAR and GPS data, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F338, 2000. (oral presentation given by FS)

Erik Sturkell, Freysteinn Sigmundsson, Pall Einarsson, Sigrun Hreinsdottir and Malou B. Stinessen, 1994-2000 Unrest and Magma Movements at Katla and Eyjafjallajokull Volcanoes, Iceland: Simultaneous Activity of Coupled Volcanic Systems, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F1387, 2000.

Sigmundsson, F., and P. Einarsson, 1994-2000 Volcanic and Seismic Unrest at a 200-km-long Stretch of the Mid-Atlantic Ridge Plate Boundary in Iceland: Episodic Magma Delivery, EOS Transactions American Geophysical Union, 81, AGU Fall Meeting abstracts, p. F1232, 2000.

Rikke Pedersen and Freysteinn Sigmundsson, InSAR study of the June 17th, 2000 earthquake, SISZ, Iceland: Preliminary results, Geoscience Society of Iceland, Autumn Meeting 2000, p. 9-10, 2000.

Sigmundsson, F., Eruption warnings and volcano monitoring. Paper presented at International conference of LACDE (Local authorities confronting disasters and emergencies), Reykjavik, 27-30 August 2000.

Sigmundsson, F., K. Feigl, D. Massonnet, H. Vadon, R. Ólafsdóttir, R. Pedersen, and E. Sturkell, Remote sensing of volcano deformation in Iceland using Satellite Radar Interferometry, paper presented at The Nordic GIS Conference, Reykjavik, 26-28 October 2000.

Sturkell, E., P. Einarsson, and F. Sigmundsson, Crustal deformation around Myrdalsjokull and Eyjafjallajokull, 1967-2000, Geoscience Society of Iceland, 2000 February Meeting, Abstract volume, p. 22-23, 2000.

Sturkell, E., and F. Sigmundsson, Subsidence of the Askja caldera, Iceland, during the 1983-1999 non-eruptive period. Paper presented at the 24th Nordic Geological Winter meeting, Trondheim, 6-9 Januar, 2000.

Sigmundsson, F., Oskarsson, N. Gronvold, K. and G. Sverrisdottir, Unrest near the center of the Iceland hotspot: Subglacial eruptions in 1996 and 1998. Paper presented at the 24th Nordic Geological Winter meeting, Trondheim, 6-9 Januar, 2000.

Sigmundsson, F., Sturkell, E., and R. Olafsdottir, Satellite radar interferometry for exploration and geophysical research. Paper presented at the 24th Nordic Geological Winter meeting, Trondheim, 6-9 Januar, 2000.

1999:

Sigmundsson, F., P. Durand, and D. Massonnet, Crustal deformation associated with 1998 eruption at Piton de la Fournaise volcano, La Reunion island, mapped by SAR-interferometry using the RADARSAT satellite, Geoscience Society of Iceland, 1999 Spring Meeting, Abstract volume, p. 17, 1999. (poster)

AGU fleiri ágrip.

Sturkell, E., and F. Sigmundsson, Continuous deflation of the Askja caldera during the 1983-1999 non-eruptive period, Geoscience Society of Iceland, 1999 Spring Meeting, Abstract volume, p. 14, 1999.

Gudmundsson, M. T., F. Sigmundsson, G. Larsen, Th. Hognadottir, H. Bjornsson, and F. Palsson, The 1998 eruption in Grímsvötn, 1999 Spring Meeting, Abstract volume, p. 47, 1999.

Hreinsdottir, S., P. Einarsson, F. Sigmundsson, and Th. Arnadottir, Measurements of continued uplift and expansion at the Hromundartindur volcanic system, Geoscience Society of Iceland, 1999 Spring Meeting, Abstract volume, p. 71, 1999.

Hreinsdottir, S., P. Einarsson, and F. Sigmundsson, Crustal Deformation at the Reykjanes Peninsula Plate Boundary 1993-1998, Geoscience Society of Iceland, 1999 Spring Meeting, Abstract volume, p. 72, 1999.

Hreinsdottir, S., P. Einarsson, and F. Sigmundsson, GPS-network around Bardarbunga – Monitoring of crustal deformation associsated with volcanic activity at the Vatnajökull ice cap, Geoscience Society of Iceland, 1999 Spring Meeting, Abstract volume, p. 73-74, 1999.

Hreinsdottir, S., P. Einarsson, and F. Sigmundsson, Crustal deformation at the Oblique Reykjanes Peninsula Plate Boundary, SW-Iceland, 1993-1998, Observed with GPS Geodetic Measurements, EOS Transactions American Geophysical Union, 80, AGU Spring Meeting abstracts, p. S340, 1998.

1998:

Sigmundsson, F., and D. Massonnet, Satellite radar interferometry for global routine monitoring of volcano deformation: Prospects and limitations, EOS Transactions American Geophysical Union, 79, AGU Fall Meeting abstracts, p. F974, 1998. (poster)

Sturkell, E., and F. Sigmundsson, Constant 4-5 cm/year subsidence of the Askja caldera, Iceland, during the 1983-1988 non-eruptive period, EOS Transactions American Geophysical Union, 79, AGU Fall Meeting abstracts, p. F949, 1998.

Durand, P., F. Sigmundsson, and D. Massonnet, Opening of the March 1998 eruptive fissure at Piton de la Fournaise volcano measured by RADARSAT satellite radar interferometry, EOS Transactions American Geophysical Union, 79, AGU Fall Meeting abstracts, p. F35, 1998.

Gasperi, J., K. L. Feigl, F. Sigmundsson, and A. Rigo, Satellite radar interferometry on the Hengill triple junction, south Iceland, EOS Transactions American Geophysical Union, 79, AGU Fall Meeting abstracts, p. F201, 1998.

Rymer, H., J. Cassidy, C. A. Locke, F. Sigmundsson, Post-eruptive gravity changes from 1990-1996 at Krafla volcano, Iceland, EOS Transactions American Geophysical Union, 79, AGU Fall Meeting abstracts, p. F949, 1998.

Gasperi, J., K. L. Feigl, F. Sigmundsson, and A. Rigo, Satellite radar interferometry in the southern Iceland seismic zone: Initial results, Annales Geophysicae, 1998 Special Issue for the European Geophysical Society meeting in Nice 20-24 April 1998, p. 352, 1998.

Sigmundsson, F., Geodesy and magma chambers (In Icelandic), Geoscience Society of Iceland, Conference on Magma Chambers, abstract volume, p. 14, February 1998.

1997:

Sigmundsson, F., M. T. Gudmundsson, H. Bjornsson, and Th. Hognadottir, The subglacial 1966 Vatnajokull eruption, Iceland: Ice melt and eruption volume inferred from aeroplane radar altimetry, EOS Transactions American Geophysical Union, 78, AGU Fall Meeting abstracts, p. F778, 1997.

Gudmundsson, M. T., H. Bjornsson, and F. Sigmundsson, Effects of the 1996 Vatnajokull eruption on ice flow and ice cap stability, EOS Transactions American Geophysical Union, 78, AGU Fall Meeting abstracts, p. F244, 1997.

Vadon, H., F. Sigmundsson, and D. Massonnet, Readjustment of the Krafla spreading segment to crustal rifting measured by Satellite Radar Interferometry, EOS Transactions American Geophysical Union, 78, AGU Fall Meeting abstracts, p. F166, 1997. (oral presentation by FS).

Massonnet, D., F. Sigmundsson, and H. Vadon, Remote sensing of volcano deformation by radar interferometry from various satellites, EOS Transactions American Geophysical Union, 78, AGU Fall Meeting abstracts, p. F817, 1997. (oral presentation by FS)

Alves, M. M., S. Jonsson, and F. Sigmundsson, Low rates of deformation of the Furnas and Fogo volcanoes, Sao Miguel, Azores, observed with the Global Positioning System, EOS Transactions American Geophysical Union, 78, AGU Fall Meeting abstracts, p. F160, 1997.

Gudmundsson M. T., F. Sigmundsson, and H. Bjornsson, The October 1996 Gjalp Eruption and the formation of hyaloclastite mountains (in Icelandic), Geoscience Society of Iceland, Conference on 1996 Vatnajokull Eruption, abstract volume, p. 10, February 1997.

Gudmundsson M. T., F. Sigmundsson, Th. Hognadottir, and H. Bjornsson, The 1996 Gjalp eruption: Chronology of events and ice melt history (in Icelandic), Geoscience Society of Iceland, Conference on 1996 Vatnajokull Eruption, abstract volume, p. 11, February 1997.

1996:

Sigmundsson, F., and H. Vadon, Oblique spreading at the Mid-Atlantic Ridge, SW-Iceland: 3D crustal velocity field inferred from satellite radar interferometry and geologic evidence, EOS Transactions American Geophysical Union, 77, AGU Fall Meeting abstracts, p. F143, 1996.

Vadon, H., and F. Sigmundsson, Plate movements and volcano deformation from satellite radar interferometry: 1992-1995 crustal deformation at the Mid-Atlantic Ridge, SW Iceland, EOS Transactions American Geophysical Union, 77, AGU Fall Meeting abstracts, p. F50, 1996. (oral presentation by FS).

Sigmundsson, F., Deformation of the Hekla volcano, south Iceland, European Seismological Commission, XXV General Assembly, Reykjavik, September 9-14, Abstract volume, p. 100, 1996.

Jonsson, S., P. Einarsson, and F. Sigmundsson, Extension across a divergent plate boundary, the eastern volcanic rift zone, south Iceland, 1967-1994, observed with GPS and EDM, European Seismological Commission, XXV General Assembly, Reykjavik, September 9-14, Abstract volume, p. 113, 1996.

Sigmundsson, F., Inversion of geodetic data from Hengill triple junction, Iceland: Rift subsidence and volcano inflation, paper presented at the 21th General Assembly of EGS in the Hague, May 1996, Annales Geophysicae, Supplement I to vol. 14., p. C257, 1996.

Sigmundsson, F., P. Einarsson, S. Rognvaldsson, G. Foulger, and G. Thorbergsson, 1994-1995 earthquake swarm at Hengill triple junction, Iceland: Triggering of earthquakes by an inflating magma chamber in a zone of horizontal shear stress?, paper presented at the 21th General Assembly of EGS in the Hague, May 1996, Annales Geophysicae, Supplement I to vol. 14., p. C94, 1996.

Li, X., D. Wolf, and F. Sigmundsson, Predictions of uplift and gravity change caused by recent melting of the Vatnajokull ice cap, Iceland, paper presented at the 21th General Assembly of EGS in the Hague, May 1996, Annales Geophysicae, Supplement I to vol. 14., p. C20, 1996.

Sigmundsson, F., P. Einarsson, S. Th. Rognvaldsson, and G. Thorbergsson, Crustal uplift, expansion, and earthquakes in the Hengill area 1994-1995: Is the source increased pressure within the Hromundartindur volcanic system?, Geoscience Society of Iceland, Spring Meeting, Abstract volume, p. 24, 1996.

Sigmundsson, F., Using Global Positioning System Geodesy for seismotectonic studies, Journees Luxembourgeoises de Geodynamique, 80th session, 11-13 March, Comptes-Rendus, edited by M. Bonatz, p. 51, 1996,

1995:

Sigmundsson, F., Triggering of eruptions by release of overburden pressure: Theory and application to subglacial volcanoes, EOS Transactions American Geophysical Union, 76, AGU 1995 Fall Meeting abstracts, p. F198, 1995.

Tryggvason, E., and F. Sigmundsson, Slow inflation of the Furnas volcano, Sao Miguel, Azores, suggested from initial levelling and GPS measurements, EOS Transactions American Geophysical Union, 76, AGU 1995 Fall Meeting abstracts, p. F156, 1995. (oral presentation by FS).

Jonsson, S., P. Einarsson, and F. Sigmundsson, Extension across a divergent plate boundary, the eastern rift zone in south Iceland, 1967-1994, observed with EDM and GPS, EOS Transactions American Geophysical Union, 76, AGU 1995 Fall Meeting abstracts, p. F581, 1995.

Sigmundsson, F., and P. Einarsson, Slow inflation of the Furnas volcano, Azores (in Icelandic), Iceland Geological Society 1995 Spring Meeting, abstract volume, 1995.

1994:

Sigmundsson, F., P. Einarsson, and R. Bilham, Rift-transform kinematics in south Iceland: Deformation from GPS measurements 1986-1992, EOS Transactions American Geophysical Union, 75, AGU 1994 Fall Meeting abstracts, p. 180, 1994. (poster)

Einarsson, P., and F. Sigmundsson, Oblique spreading on the Reykjanes Peninsula, SW Iceland: Modes of crustal deformation, EOS Transactions American Geophysical Union, 75, AGU 1994 Fall Meeting abstracts, p. 589, 1994.

Camitz, J., F. Sigmundsson, G. Foulger, C. Voelksen, C.-H. Jahn, and P. Einarsson, Plate boundary deformation and continuing deflation of the Askja volcano, North Iceland, determined with GPS, 1987-1993, EOS Transactions American Geophysical Union, 75, AGU 1994 Fall Meeting abstracts, p. 165, 1994. (oral presentation by FS).

Sigmundsson, F., Monitoring of crustal deformation in Iceland: Implications for seismic and volcanic hazard assessment, Workshop on monitoring and research for mitigating seismic and volcanic risk, October 20-22 1994, Reykjavik, Iceland, Icelandic Meteorological Office and Commission of the European Communities, abstract volume, 1994.

Sigmundsson, F., and E. Tryggvason, GPS geodesy at the Krafla volcano 1993-1994: Comparison with EDM measurements, International workshop on European Laboratory Volcanoes, Catania Sicily, 18-21 June 1994, Commission of the European Communities, abstract volume, 1994.

Sigmundsson, F., M. Alves, K. Palsson, and E. Tryggvason, First GPS measurements at the Furnas volcano, International workshop on European Laboratory Volcanoes, Catania Sicily, 18-21 June 1994, Commission of the European Communities, abstract volume, 1994.

Sigmundsson, F., and P. Einarsson, GPS monitoring of crustal deformation in south Iceland 1986-1992, and the age of the south Iceland seismic zone (in Icelandic), Iceland Geological Society 1994 Spring Meeting, abstract volume, p. 8, 1994.

Camitz, J., and F. Sigmundsson, GPS measurements of Crustal deformation at the Askja volcano, North Iceland, 1987-1993, Iceland Geological Society 1994 Spring Meeting, abstract volume, p. 22, 1994.

Sigmundsson, F., and E. Tryggvason, Monitoring of crustal deformation at Katla volcano 1967-1993 (in Icleandic), Conference on the Katla volcano, 26 February 1994, Reykjavik, Iceland, Iceland Geological Society, abstract volume, p. 18, 1994.

Sigmundsson, F., P. Einarsson,, and R. Bilham, Crustal deformation from GPS measurements in south Iceland: 1986-1992, NorFa Workshop on Earthquake prediction research in the south Iceland test area: State-of-the art, January 4-7, 1994, Hveragerdi, Iceland, Icelandic Meteorological Office, abstract volume, p. 6, 1994.

1993:

Sigmundsson, F., and P. Einarsson, Sub-lithospheric viscosity beneath Iceland, Second Nordic Symposium in Geosciences, Tanumstrand, Sweden, 5-9 September, 1993, Abstract supplement no. 5 to TERRA nova, p. 14, 1993.

Einarsson, P., and F. Sigmundsson, GPS experiments in geodynamics in Iceland, Second Nordic Symposium in Geosciences, Tanumstrand, Sweden, 5-9 September, 1993, Abstract supplement no. 5 to TERRA nova, p. 19, 1993.

Sturkell, E., F. Sigmundsson, and P. Einarsson, Crustal deformation on the Reykjanes Peninsula 1986-1992 determined with GPS measurements (in Icelandic), Iceland Geological Society 1993 Spring Meeting, abstract volume, p. 18, 1993.

1992:

Sigmundsson, F., R. Bilham, and P. Einarsson, Magma chamber deflation recorded by the Global Positioning System: The Hekla 1991 eruption, Workshop on deformation of volcanoes; measurements and modelling, 21-26 August 1992, Laugar, Iceland, IAVCEI Volcano Geophysics Commission, abstract volume, p. 24, 1992.

Behr, J., R. Bilham, and F. Sigmundsson, Monitoring of magma inflation using a biaxial Michelson tiltmeter in Long Valley Caldera, California, Workshop on deformation of volcanoes; measurements and modelling, 21-26 August 1992, Laugar, Iceland, IAVCEI Volcano Geophysics Commission, abstract volume, p. 9, 1992.

1991:

Sigmundsson, F., P. Einarsson, C. Hackman, R. Bilham, and G. Thorbergsson, Displacement of GPS control points associated with the 1991 Hekla eruption, EOS Transactions American Geophysical Union, 72, AGU 1991 Fall Meeting abstracts, p. 115, 1991.

Einarsson, P., Sigmundsson, F., and G. Thorbergsson, Glacio-isostatic uplift around the Vatnajökull ice cap due to ice loss in this century, EOS Transactions American Geophysical Union, 72, AGU 1991 Fall Meeting abstracts, p. 112, 1991. (oral presentation by FS)

Jackson, M., K. Adhikari, S. Barrientos, J. Behr, B. Bernard, R. Bilham, P. Bodin, G. Chitrakar, R. DeConto, L. Denham, J. Faller, J. Fried, D. Kauffman, N. Karki, D. Kayastha, P. Molnar, J. Normandeau, G. Peter, B. Phuyal, T. Pradhananga, B. Sharma, B. Shrestha, K. Shresta, F. Sigmundsson, B. Stephens, B. Washburn, W. Wenying, D. Winester, and Z. Guogong, Trans-Himalayan geodesy, EOS Transactions American Geophysical Union, 72, AGU 1991 Fall Meeting abstracts, p. 112, 1991.

1990:

Sigmundsson, F., and A. Hjartarson, Postglacial rebound and viscosity of the uppermost mantle in Iceland, Annales Geophysicae, 1990 Special Issue for the European Geophysical Society meeting in Copenhagen 23-27 April 1990, p. 29, 1990.

1989:

Sigmundsson, F., M. C. Hackman, P. Einarsson, H. Bjornsson, M. Debiche, T. James, J. Morgan, A. Einarsson, B. Gudmundsson, G. Þorbergsson, G. Vigfusson, and G. Foulger, Deformation in South Iceland 1986-1989, EOS Transactions American Geophysical Union, 70, AGU 1989 Fall Meeting abstracts, p. 1053, 1989.