ISI publications

2016

Magnús T. Gudmundsson, Kristín Jónsdóttir, Andrew Hooper, Eoghan P. Holohan, Sæmundur A. Halldórsson, Benedikt G. Ófeigsson, Simone Cesca, Kristín S. Vogfjörd, Freysteinn Sigmundsson, Thórdís Högnadóttir, Páll Einarsson, Olgeir Sigmarsson, Alexander H. Jarosch, Kristján Jónasson, Eyjólfur Magnússon, Sigrún Hreinsdóttir, Marco Bagnardi, Michelle M. Parks, Vala Hjörleifsdóttir, Finnur Pálsson, Thomas R. Walter, Martin P. J. Schöpfer, Sebastian Heimann, Hannah I. Reynolds, Stéphanie Dumont, Eniko Bali, Gudmundur H. Gudfinnsson, Torsten Dahm, Matthew J. Roberts, Martin Hensch, Joaquín M. C. Belart, Karsten Spaans, Sigurdur Jakobsson, Gunnar B. Gudmundsson, Hildur M. Fridriksdóttir, Vincent Drouin, Tobias Dürig, Guðfinna Aðalgeirsdóttir, Morten S. Riishuus, Gro B. M. Pedersen, Tayo van Boeckel, Björn Oddsson, Melissa A. Pfeffer, Sara Barsotti, Baldur Bergsson, Amy Donovan, Mike R. Burton, and Alessandro Aiuppa, 2016. Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow. Science 353 (6296), aaf8988.

Sigmundsson, F. (2016), New insights into magma plumbing along rift systems from detailed observations of eruptive behavior at Axial volcano, Geophys. Res. Lett., 43, doi:10.1002/ 2016GL071884.

Vincent Drouin, Kosuke Heki, Freysteinn Sigmundsson, Sigrún Hreinsdóttir, Benedikt G. Ófeigsson; Constraints on seasonal load variations and regional rigidity from continuous GPS measurements in Iceland, 1997–2014. Geophys. J. Int. 2016; 205 (3): 1843-1858. doi: 10.1093/gji/ggw122.

Islam, M. T., E. Sturkell, P. LaFemina, H. Geirsson, F. Sigmundsson, and 
H. Ólafsson (2016), Continuous subsidence in the Thingvellir rift graben, Iceland: Geodetic observations since 1967 compared to rheological models of plate spreading, J. Geophys. Res. Solid Earth, 121, doi:10.1002/2015JB012306.

2015

Freysteinn Sigmundsson, Andrew Hooper, Sigrún Hreinsdóttir, Kristín S. Vogfjörd, Benedikt Ófeigsson, Elías Rafn Heimisson, Stéphanie Dumont, Michelle Parks, Karsten Spaans, Gunnar B. Guðmundsson, Vincent Drouin, Thóra Árnadóttir, Kristín Jónsdóttir, Magnús T. Gudmundsson, Thórdís Högnadóttir, Hildur María Friðriksdóttir, Martin Hensch, Páll Einarsson, Eyjólfur Magnússon, Sergey Samsonov, Bryndís Brandsdóttir, Robert S. White, Thorbjörg Ágústsdóttir, Timothy Greenfield, Robert G. Green, Ásta Rut Hjartardóttir, Rikke Pedersen, Rick Bennett, Halldór Geirsson, Pete LaFemina, Helgi Björnsson, Finnur Pálsson, Erik Sturkell, Christopher J. Bean, Martin Möllhoff, Aoife Braiden, and Eva P.S. Eibl, Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland, Nature, 517, 191–195, doi:10.1038/nature14111, 2015 (Online 15 December 2014).

Heimisson, E. R., P. Einarsson,
F. Sigmundsson, and B. Brandsdóttir (2015), Kilometer-scale Kaiser
effect identified in Krafla
 volcano, Iceland, Geophys. Res. Lett., 42, doi:10.1002/2015GL065680.

Heimisson, E. R., A. Hooper, and 
F. Sigmundsson (2015), Forecasting the path of a laterally propagating dike, J. Geophys. Res. Solid Earth, 120, doi:10.1002/2015JB012402.

2014

Sigrún Hreinsdóttir, Freysteinn Sigmundsson, Matthew J. Roberts, Halldór Björnsson, Ronni Grapenthin, Pórdur Arason, Thóra Árnadóttir, Jósef Hólmjárn, Halldór Geirsson, Richard A. Bennett, Magnús T. Gudmundsson, Björn Oddsson, Benedikt G. Ófeigsson, Thierry Villemin, Thorsteinn Jónsson, Erik Sturkell, Ármann Höskuldsson, Gudrún Larsen, Thor Thordarson and Bergrún Arna Óladóttir, Volcanic plume height correlated with magma pressure change at Grímsvötn Volcano, IcelandNature Geoscience, 7, 214-218, doi: 10.1038/NGEO2044, 2014.

Auriac, A. F. Sigmundsson, A. Hooper, K. H. Spaans, H. Björnsson, F. Pálsson, V. Pinel and K. L. Feigl, InSAR observations and models of crustal deformation due to a glacial surge in Iceland, Geophys. J. Int., 198, 1329-1341, doi: 10.1093/gji/ggu205, 2014.

Ali, S. T., K. L. Feigl, B. B. Carr, T. Masterlark, and F. Sigmundsson, Geodetic measurements and numerical models of rifting in Northern Iceland for 1993–2008, Geophys. J. Int., doi: 10.1093/gji/ggt462, 2014.

Albino, F. and F. Sigmundsson, Stress transfer between magma bodies:  Influence of intrusions prior to 2010 eruptions at Eyjafjallajökull volcano, Iceland, J. Geophys. Res., 119, 2964–2975, doi: 10.1002/2013JB010510, 2014.

2013

Auriac, A., K. H. Spaans, F. Sigmundsson, A. Hooper, P. Schmidt, and B. Lund, Iceland rising: Solid Earth response to ice retreat inferred from satellite radar interferometry and visocelastic modelingJ. Geophys. Res. Solid Earth, 118, doi:10.1002/jgrb.50082, 2013.

Elske de Zeeuw-van Dalfsen, Hazel Rymer, Erik Sturkell, Rikke Pedersen, Andy Hooper, Freysteinn Sigmundsson, Benedikt Ófeigsson, Geodetic data shed light on ongoing caldera subsidence at Askja, IcelandBulletin of Volcanology 75 (5), 1-13, doi: 10.1007/s00445-013-0709-2, 2013.

Erik Sturkell, Kristján Ágústsson, Alan T Linde, Selwyn I Sacks, Páll Einarsson, Freysteinn Sigmundsson, Halldór Geirsson, Rikke Pedersen, Peter C LaFemina, Halldór Ólafsson, New insights into volcanic activity from strain and other deformation data for the Hekla 2000 eruptionJournal of Volcanology and Geothermal Research 256, 78–86, 2013.

2012

Andrew Hooper, Fred Prata and Freysteinn Sigmundsson, Remote sensing of volcano hazards and their precursors, Proceedings of the IEEE, 100(10), 2908-2930, 2012.

Halldór Geirsson, Peter LaFemina, Thóra Árnadóttir, Erik Sturkell, Freysteinn Sigmundsson, Matthew Travis, Peter Schmidt, Bjorn Lund, Sigrún Hreinsdóttir, Rick Bennett (2012), Volcano deformation at active plate boundaries: Deep magma accumulation at Hekla volcano and plate boundary deformation in south Iceland, J. Geophys. Res., 117, B11409, doi:10.1029/2012JB009400, 2012.

Tim J. Wright, Freysteinn Sigmundsson, Carolina Pagli, Manahloh Belachew, Ian J. Hamling, Bryndís Brandsdóttir, Derek Keir, Rikke Pedersen, Atalay Ayele, Cindy Ebinger, Páll Einarsson, Elias Lewi and Eric Calais (2012), Geophysical constraints on the dynamics of spreading centres from rifting episodes on landNature Geoscience, 5, 242–250 (2012) doi:10.1038/ngeo1428, 2012.

Elske de Zeeuw-van Dalfsen, Rikke Pedersen, Andrew Hooper, and Freysteinn Sigmundsson, Subsidence of Askja caldera 2000–2009: Modelling of deformation processes at an extensional plate boundary, constrained by time series InSAR analysisJournal of Volcanology and Geothermal Research, 213–214, 72–82, 2012.

2011

Hooper, A., Ofeigsson, B, Freysteinn Sigmundsson, Lund, B., Einarsson, P., Geirsson, H and E. Sturkell, Increased capture of magma in the crust promoted by ice-cap retreat in Iceland, Nature Geoscience, 4, 783-786, doi: 10.1038/NGEO1269.

Eriksson, P.I., Morten S. Riishuus, Freysteinn Sigmundsson, Sten-Ake Elming, 2011.  Magma flow directions inferred from field evidence and magnetic fabric studies of the Streitishvarf composite dike in east Iceland, Journal of Volcanology and Geothermal Research, p. 30-45, doi: 10.1016/j.jvolgeores.2011.05.009

Ofeigsson, B. G., A. Hooper, F. Sigmundsson, E. Sturkell, and R. Grapenthin (2011), Deep magma storage at Hekla volcano, Iceland, revealed by InSAR time series analysis , J. Geophys. Res. , 116 , B05401, doi:10.1029/2010JB007576.

2010

Geirsson, H., Thóra Árnadóttir, Sigrún Hreinsdóttir, Judicael Decriem, Peter C. LaFemina, Sigurjón Jónsson, Richard A. Bennett, Sabrina Metzger, Austin Holland, Erik Sturkell, Thierry Villemin, Christof Völksen,Freysteinn Sigmundsson, Páll Einarsson, Matthew J. Roberts and Hjörleifur Sveinbjörnsson 2010.Overview of results from continuous GPS observations in Iceland from 1995 to 2010. Jökull 60, 3-22.

Sigmundsson, F., S. Hreinsdóttir, A. Hooper, Th. Árnadóttir, R. Pedersen, M. J. Roberts, Níels Óskarsson, Amandine Auriac, Judicael Decriem, Páll Einarsson, Halldór Geirsson, Martin Hensch, Benedikt G. Ófeigsson, Erik Sturkell,  Hjörleifur Sveinbjörnsson, and Kurt L, Feigl, Intrusion triggering of the 2010 Eyjafjallajökull explosive eruption, Nature, 468, 426-430, doi:10.1038/nature09558, 2010.

Sigmundsson, F., V. Pinel, B. Lund, F. Albino, C. Pagli, H. Geirsson, and E. Sturkell, Climate effects on volcanism: Influence on magmatic systems of loading and unloading from ice mass variations with examples from Iceland, Special issue on climate forcing of geological and geomorphological hazards Phil. Trans. Roy. Soc. A, 368, 1-16, 2010.

Albino, F., V. Pinel, F. Sigmundsson,  Influence of surface load variations on eruption likelihood: Application to two Icelandic subglacial volcanoes, Geophys. J. Int, 181, 1510-1524, doi: 10.1111/j.1365-246X.2010.04603.x, 2010.

Decriem, J., Th. Árnadóttir, A. Hooper, H.Geirsson, M. Keiding, B.G. Ófeigsson, F. Sigmundsson, S. Hreinsdóttir, P. LaFemina and R. Bennett, The 29 May 2008 earthquake doublet in SW Iceland, Geophys. J. Int., 181(2), 1128-1146, doi: 10.1111/j.1365-246X.2010.04565.x, 2010.

Grapenthin, R., B. G. Ófeigsson, F. Sigmundsson, E. Sturkell, and A. Hooper, Pressure sources versus surface loads: Analyzing volcano deformation signal composition with an application to Hekla volcano, Iceland, Geophys. Res. Lett., 37, L20310, doi:10.1029/2010GL044590, 2010.

Sigmundsson, F. and Á. Höskuldsson, Develop instruments to monitor volcanic ash fallout, Nature, 466, 28-28 (30 June 2010) doi:10.1038/466028b (Opinion – Correspondence), 2010.
2015

Freysteinn Sigmundsson, Andrew Hooper, Sigrún Hreinsdóttir, Kristín S. Vogfjörd, Benedikt Ófeigsson, Elías Rafn Heimisson, Stéphanie Dumont, Michelle Parks, Karsten Spaans, Gunnar B. Guðmundsson, Vincent Drouin, Thóra Árnadóttir, Kristín Jónsdóttir, Magnús T. Gudmundsson, Thórdís Högnadóttir, Hildur María Friðriksdóttir, Martin Hensch, Páll Einarsson, Eyjólfur Magnússon, Sergey Samsonov, Bryndís Brandsdóttir, Robert S. White, Thorbjörg Ágústsdóttir, Timothy Greenfield, Robert G. Green, Ásta Rut Hjartardóttir, Rikke Pedersen, Rick Bennett, Halldór Geirsson, Pete LaFemina, Helgi Björnsson, Finnur Pálsson, Erik Sturkell, Christopher J. Bean, Martin Möllhoff, Aoife Braiden, and Eva P.S. Eibl, Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland, Nature, 517, 191–195, doi:10.1038/nature14111, 2015 (Online 15 December 2014).

2014

Sigrún Hreinsdóttir, Freysteinn Sigmundsson, Matthew J. Roberts, Halldór Björnsson, Ronni Grapenthin, Pórdur Arason, Thóra Árnadóttir, Jósef Hólmjárn, Halldór Geirsson, Richard A. Bennett, Magnús T. Gudmundsson, Björn Oddsson, Benedikt G. Ófeigsson, Thierry Villemin, Thorsteinn Jónsson, Erik Sturkell, Ármann Höskuldsson, Gudrún Larsen, Thor Thordarson and Bergrún Arna Óladóttir, Volcanic plume height correlated with magma pressure change at Grímsvötn Volcano, IcelandNature Geoscience, 7, 214-218, doi: 10.1038/NGEO2044, 2014.

Auriac, A. F. Sigmundsson, A. Hooper, K. H. Spaans, H. Björnsson, F. Pálsson, V. Pinel and K. L. Feigl, InSAR observations and models of crustal deformation due to a glacial surge in Iceland, Geophys. J. Int., 198, 1329-1341, doi: 10.1093/gji/ggu205, 2014.

Ali, S. T., K. L. Feigl, B. B. Carr, T. Masterlark, and F. Sigmundsson, Geodetic measurements and numerical models of rifting in Northern Iceland for 1993–2008, Geophys. J. Int., doi: 10.1093/gji/ggt462, 2014.

Albino, F. and F. Sigmundsson, Stress transfer between magma bodies:  Influence of intrusions prior to 2010 eruptions at Eyjafjallajökull volcano, Iceland, J. Geophys. Res., 119, 2964–2975, doi: 10.1002/2013JB010510, 2014.

2013

Auriac, A., K. H. Spaans, F. Sigmundsson, A. Hooper, P. Schmidt, and B. Lund, Iceland rising: Solid Earth response to ice retreat inferred from satellite radar interferometry and visocelastic modelingJ. Geophys. Res. Solid Earth, 118, doi:10.1002/jgrb.50082, 2013.

Elske de Zeeuw-van Dalfsen, Hazel Rymer, Erik Sturkell, Rikke Pedersen, Andy Hooper, Freysteinn Sigmundsson, Benedikt Ófeigsson, Geodetic data shed light on ongoing caldera subsidence at Askja, IcelandBulletin of Volcanology 75 (5), 1-13, doi: 10.1007/s00445-013-0709-2, 2013.

Erik Sturkell, Kristján Ágústsson, Alan T Linde, Selwyn I Sacks, Páll Einarsson, Freysteinn Sigmundsson, Halldór Geirsson, Rikke Pedersen, Peter C LaFemina, Halldór Ólafsson, New insights into volcanic activity from strain and other deformation data for the Hekla 2000 eruptionJournal of Volcanology and Geothermal Research 256, 78–86, 2013.

2012

Andrew Hooper, Fred Prata and Freysteinn Sigmundsson, Remote sensing of volcano hazards and their precursors, Proceedings of the IEEE, 100(10), 2908-2930, 2012.

Halldór Geirsson, Peter LaFemina, Thóra Árnadóttir, Erik Sturkell, Freysteinn Sigmundsson, Matthew Travis, Peter Schmidt, Bjorn Lund, Sigrún Hreinsdóttir, Rick Bennett (2012), Volcano deformation at active plate boundaries: Deep magma accumulation at Hekla volcano and plate boundary deformation in south Iceland, J. Geophys. Res., 117, B11409, doi:10.1029/2012JB009400, 2012.

Tim J. Wright, Freysteinn Sigmundsson, Carolina Pagli, Manahloh Belachew, Ian J. Hamling, Bryndís Brandsdóttir, Derek Keir, Rikke Pedersen, Atalay Ayele, Cindy Ebinger, Páll Einarsson, Elias Lewi and Eric Calais (2012), Geophysical constraints on the dynamics of spreading centres from rifting episodes on landNature Geoscience, 5, 242–250 (2012) doi:10.1038/ngeo1428, 2012.

Elske de Zeeuw-van Dalfsen, Rikke Pedersen, Andrew Hooper, and Freysteinn Sigmundsson, Subsidence of Askja caldera 2000–2009: Modelling of deformation processes at an extensional plate boundary, constrained by time series InSAR analysisJournal of Volcanology and Geothermal Research, 213–214, 72–82, 2012.

2011
Hooper, A., Ofeigsson, B, Freysteinn Sigmundsson, Lund, B., Einarsson, P., Geirsson, H and E. Sturkell, Increased capture of magma in the crust promoted by ice-cap retreat in Iceland, Nature Geoscience, 5, 783-786, doi: 10.1038/NGEO1269.

Eriksson, P.I., Morten S. Riishuus, Freysteinn Sigmundsson, Sten-Ake Elming, 2011.  Magma flow directions inferred from field evidence and magnetic fabric studies of the Streitishvarf composite dike in east Iceland, Journal of Volcanology and Geothermal Research, p. 30-45, doi: 10.1016/j.jvolgeores.2011.05.009

Ofeigsson, B. G., A. Hooper, F. Sigmundsson, E. Sturkell, and R. Grapenthin (2011), Deep magma storage at Hekla volcano, Iceland, revealed by InSAR time series analysis , J. Geophys. Res. , 116 , B05401, doi:10.1029/2010JB007576.

2010

Geirsson, H., Thóra Árnadóttir, Sigrún Hreinsdóttir, Judicael Decriem, Peter C. LaFemina, Sigurjón Jónsson, Richard A. Bennett, Sabrina Metzger, Austin Holland, Erik Sturkell, Thierry Villemin, Christof Völksen, Freysteinn Sigmundsson, Páll Einarsson, Matthew J. Roberts and Hjörleifur Sveinbjörnsson 2010.Overview of results from continuous GPS observations in Iceland from 1995 to 2010. Jökull 60, 3-22.

Sigmundsson, F., S. Hreinsdóttir, A. Hooper, Th. Árnadóttir, R. Pedersen, M. J. Roberts, Níels Óskarsson, Amandine Auriac, Judicael Decriem, Páll Einarsson, Halldór Geirsson, Martin Hensch, Benedikt G. Ófeigsson, Erik Sturkell,  Hjörleifur Sveinbjörnsson, and Kurt L, Feigl, Intrusion triggering of the 2010 Eyjafjallajökull explosive eruption, Nature, 468, 426-430, doi:10.1038/nature09558, 2010.

Sigmundsson, F., V. Pinel, B. Lund, F. Albino, C. Pagli, H. Geirsson, and E. Sturkell, Climate effects on volcanism: Influence on magmatic systems of loading and unloading from ice mass variations with examples from Iceland, Special issue on climate forcing of geological and geomorphological hazardsPhil. Trans. Roy. Soc. A, 368, 1-16, 2010.

Albino, F., V. Pinel, F. Sigmundsson,  Influence of surface load variations on eruption likelihood: Application to two Icelandic subglacial volcanoes, Geophys. J. Int, 181, 1510-1524, doi: 10.1111/j.1365-246X.2010.04603.x, 2010.

Decriem, J., Th. Árnadóttir, A. Hooper, H.Geirsson, M. Keiding, B.G. Ófeigsson, F. Sigmundsson, S. Hreinsdóttir, P. LaFemina and R. Bennett, The 29 May 2008 earthquake doublet in SW Iceland, Geophys. J. Int., 181(2), 1128-1146, doi: 10.1111/j.1365-246X.2010.04565.x, 2010.

Grapenthin, R., B. G. Ófeigsson, F. Sigmundsson, E. Sturkell, and A. Hooper, Pressure sources versus surface loads: Analyzing volcano deformation signal composition with an application to Hekla volcano, Iceland, Geophys. Res. Lett., 37, L20310, doi:10.1029/2010GL044590, 2010.

Sigmundsson, F. and Á. Höskuldsson, Develop instruments to monitor volcanic ash fallout, Nature, 466, 28-28 (30 June 2010) doi:10.1038/466028b (Opinion – Correspondence), 2010.