Gillian R. Foulger

2013

Foulger, G.R., B.R. Julian, Seismological software for geothermal monitoring, Thirty-Eighth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 11-13, 2013.

2012

Foulger, G.R., B.R. Julian, Non-double-couple earthquakes: net forces and uncertainties, European Seismological Commission 33rd General Assembly, Moscow, Russia, August 19-24, 2012.
Julian, B.R., G.R. Foulger, Geothermal Seismology: State of the Art, Thirty-Seventh Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 30 - February 1, 2012.

2011

Julian, B.R., G.R. Foulger, Induced Earthquakes: The Seismological State of the Art, EOS Trans. AGU, Fall Meet. Suppl., Abstract S41D-01, 2011.
Foulger, G.R., Plates vs. Plumes: A Geological Controversy, Gondwana 14 ‘East meets West’, Armação dos Búzios, Rio de Janeiro, Brazil, 25 - 30 September, 2011.
Julian, B.R., G.R. Foulger, Mapping deep structure in geothermal areas using local and regional microearthquake data, Thirty-Sixth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 31 - February 2, 2011.

2010

Foulger, G.R., Are hotspots hot? – An overview, EOS Trans. AGU, Fall Meet. Suppl., Abstract V21A-2312, 2010.
Foulger, G.R., Teaching the Mantle Plumes Debate, EOS Trans. AGU, Fall Meet. Suppl., Abstract ED44A-05, 2010.
Julian, B.R. & G.R. Foulger, Seismology and Enhanced Geothermal Systems, EOS Trans. AGU, Fall Meet. Suppl., Abstract H23I-01, 2010.
Foulger, G.R. and B.R. Julian, Diverse approaches to utilizing microearthquakes for reservoir research, paper presented at the Microseismicity: Beyond Dots in a Box workshop, Society of Exploration Geophysicists (SEG) 80th Annual Meeting, Denver, CO, 7-22 October, 2010.
Petty, S., T. Cladouhos, G.R. Foulger, B.R. Julian & M. Fehler, Induced seismicity and geothermal energy, 34th Geothermal Resources Council Annual Meeting, Sacramento Convention Center, Sacramento, California, October 24-27, 2010 .
Julian, B.R., G.R. Foulger, Improved Methods for Mapping Permeability and Heat sources in Geothermal Areas using Microearthquake Data,Thirty-Fifth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 1-3, 2010.

2009

Julian, B.R., G.R. Foulger, Resolving seismic moment tensors with body-wave amplitude ratios, EOS Trans. AGU, Fall Meet. Suppl., Abstract S21B-1720, 2009.
Tkalcic, H., D.S. Dreger, G.R. Foulger, B.R. Julian, A. Fichtner, A seismological portrait of the anomalous 1996 Bardarbunga volcano, Iceland, earthquake (invited poster), EOS Trans. AGU, Fall Meet. Suppl., Abstract S21B-1710, 2009.
Foulger, G.R., Microearthquake Analysis Techniques For Geothermal Applications, EOS Trans. AGU, Fall Meet. Suppl., Abstract S32B-02 (invited), 2009.
Foulger, G.R., Non-Plume Models For Intraplate Volcanism, EOS Trans. AGU, Fall Meet. Suppl., Abstract V54A-08, 2009.
Foulger, G.R., Microearthquake seismology: Cinderella technology coming into its own, paper presented at the Canadian Society of Exploration Geophysicists (CSEG) Microseismic Workshop, Calgary, Canada, 13-15 October, 2009.
Foulger, G.R., The Great Plume Debate, Proceedings, conference on Faulting and seismicity in the lithosphere: tectonophysical concepts and effects held on the 60th anniversary of the Institute of the Earth's Crust, Siberian Branch of the Russian Academy of Sciences, and 30th anniversary of the Laboratory of Tectonophysics, Irkutsk, Siberia, Russia, August 17-22, 2009.
Foulger, G.R. and B.R. Julian, Applied Microearthquake Techniques for Geothermal Resource Development, Proceedings, conference on Faulting and seismicity in the lithosphere: tectonophysical concepts and effects held on the 60th anniversary of the Institute of the Earth's Crust, Siberian Branch of the Russian Academy of Sciences, and 30th anniversary of the Laboratory of Tectonophysics, Irkutsk, Siberia, Russia, August 17-22, 2009.
Julian, B.R. and G.R. Foulger, Non-Double-Couple Earthquake Mechanisms, Proceedings, conference on Faulting and seismicity in the lithosphere: tectonophysical concepts and effects held on the 60th anniversary of the Institute of the Earth's Crust, Siberian Branch of the Russian Academy of Sciences, and 30th anniversary of the Laboratory of Tectonophysics, Irkutsk, Siberia, Russia, August 17-22, 2009.
Foulger, G.R., The Great Plume Debate, Proceedings, conference on Large Igneous Provinces of Asia, Mantle Plumes and Metallogeny, Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia, 6-9 August 2009.
Foulger, G.R. and L. De Luca, Detailed image of fractures activated by a fluid injection in a producing Indonesian geothermal field, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, 2009.
Julian, B.R., G.R. Foulger and F.C. Monastero, Seismic Monitoring of EGS Stimulation Tests at the Coso Geothermal Field, California, Using Microearthquake Locations and Moment Tensors, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, 2009.
Julian, B.R. and G.R. Foulger, Time-Dependent Seismic Tomography of Geothermal Systems, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, 2009.
Julian, B.R. and G.R. Foulger, Monitoring Geothermal Processes with Microearthquake Mechanisms, Thirty-Fourth Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, February 9-11, 2009.

2008

Foulger, G.R., Can the transition zone test the Plate and Plume hypotheses?, invited paper, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2008.
Julian, B.R., & Foulger, G.R., Moment-Tensor Confidence Regions from Seismic-Wave Amplitude Ratios, European Seismological Commission ESC 2008, 31st General Assembly, Crete, Greece, 7 - 12 September, 2008.
Julian, B.R., & Foulger, G.R., Seismic Monitoring of Hydraulic Stimulation Tests at the Coso Geothermal Field, California, Using Microearthquake Locations and Moment Tensors, European Seismological Commission ESC 2008, 31st General Assembly, Crete, Greece, 7 - 12 September, 2008.
Foulger, G.R., A Brief History of the Study of Non-Double-Couple Earthquake Source Mechanisms, European Seismological Commission ESC 2008, 31st General Assembly, Crete, Greece, 7 - 12 September, 2008.
Foulger, G.R., & L. De Luca, Seismic monitoring of a hydrofracture experiment in an Indonesian geothermal field, European Seismological Commission ESC 2008, 31st General Assembly, Crete, Greece, 7 - 12 September, 2008.
Foulger, G.R., Geodynamics, seismology, and plumes: formidable challenges remain, extended abstract of keynote lecture given at the International Seminar on Seismic Risk and Rehabilitation of Stone Masonry Housing, on the event of the 10th Anniversary of the July 9, 1998 Azores Earthquake, Horta, Azores, 9 - 13 July, 2008.
Foulger, G.R., Challenges to Plume and Plate – Telling it like it is, Session GD05, European Geosciences Union General Assembly,Vienna, Austria, 13 – 18 April 2008.
Julian, B.R., G.R. Foulger and F.C. Monastero, Time-dependent seismic tomography and its Application to the Coso geothermal area, 1996-2006, Thirty-Third Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 28-30, 2008.
Foulger, G.R., B.R. Julian and F.C. Monastero, Seismic Monitoring of EGS Tests at the Coso Geothermal Area, California, Using Accurate MEQ Locations and Full Moment Tensors, Thirty-Third Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 28-30, 2008.

2007

Foulger, G.R., B.R. Julian and F.C. Monastero, Time-dependent Seismic Tomography of the Coso Geothermal Area, 1996-2006, invited paper, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2007.
Julian, B.R., G.R. Foulger and F.C. Monastero, Seismic characterisation of hydraulic stimulation tests at the Coso geothermal area, California, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2007.
Foulger, G.R. and R. Meyer, The European Cenozoic Volcanic Province: The type example of an Implausible Mantle Plume (IMP)?, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2007.
Meyer, R. and G.R. Foulger, Mantle plumes beneath Europe? Non Merci! We already have enough imaginary plumes!, Abstract of talk given at the 94th Journées Luxembourgeoises de Géodynamique, Gonderange, Luxembourg, November 12-14, 2007.
Foulger, G.R., The “Plate” model for the Iceland melting anomaly, Abstract of talk given at the 94th Journées Luxembourgeoises de Géodynamique, Gonderange, Luxembourg, November 12-14, 2007.
Foulger, G.R., European volcanism: Alpine geological processes, or heat the Earth’s core?, Abstract of talk given to the Luxembourg Geological Society, Luxembourg City, November 12, 2007
Foulger, G.R., Is there a free lunch out there? Geothermal energy, its potential and challenges as a renewable, alternative energy resource, invited talk to the Technology and Society Committee (TASC), Santa Clara County, CA, 10 July, 2007.
Foulger, G.R., Iceland: What we know and what we don't, invited paper, Rift to Ridge '07 workshop, Southampton, 28-29 June 2007.
Foulger, G.R., The Great Plume Debate, invited paper, "Our Dynamic Planet", Annual Symposium of the Open University Geological Society, Lancaster, 17-20 August 2007.
Foulger, G.R., An evidence-based model for the north-Atlantic igneous province, invited paper, Session G20, European Geosciences Union General Assembly,Vienna, Austria, 15 – 20 April 2007.
Foulger, G.R., The “Plate” model for the genesis of melting anomalies, Session GD05, European Geosciences Union General Assembly,Vienna, Austria, 15 – 20 April 2007.
Julian, B.R., G.R. Foulger and F. Monastero, Microearthquake moment tensors from the Coso Geothermal area, Thirty-Second Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 22-24, 2007.

2006

Foulger, G.R., B.R. Julian and F.C. Monastero, Microearthquake characterisation of an artificially stimulated hydraulic fracture at the Coso geothermal area, California, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2006.
Foulger, G.R., Seismic (MEQ) Characterization of EGS Fracture Network Lifecycles, Dept. Energy Program Review meeting, Golden, Colorado, 18th-19th July, 2006.
Colombo, D., G.R. Foulger, L. De Luca and R. Grossi, Integrated analysis of passive and active seismic data in a producing oil field, 68th European Association of Geoscientists & Engineers (EAGE) Conference, Vienna, Austria, 12-15th June, 2006.
Foulger, G.R., Hot spots and the mantle plume controversy, The Observatory,126, 73-75, 2006.
Tkalcic, H., D. Dreger, G.R. Foulger and B.R. Julian, Kinematic modeling and complete moment tensor analysis of the anomalous, vertical CLVD, Bardarbunga, Iceland, event, Kanamori Symposium, Physics of Earthquakes, California Institute of Technology, February, 2006.
Julian, B.R., G.R. Foulger, K. Richards-Dinger and F. Monastero, Time-dependent seismic tomography of the Coso geothermal area, 1996-2004, extended abstract, Proceedings, Thirty-First Workshop on Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 30-February 1, 2006.

2005

Foulger, G.R., The puzzle of the petrology of oceanic plateaux, EOS Trans. AGU, Fall Meet. Suppl., Abstract, V51B-0569, 2005.
Julian, B.R., G.R. Foulger, K. Richards-Dinger and F. Monastero, Time-dependent tomography and microearthquake moment tensors in the Coso geothermal area, EOS Trans. AGU, Fall Meet. Suppl., Abstract, T22A-07, 2005.
Dreger, D.S., H. Tkalcic, G.R Foulger and B.R Julian, Kinematic modeling and complete moment tensor analysis of the anomalous, vertical CLVD Bardarbunga, Iceland, event, EOS Trans. AGU, Fall Meet. Suppl., Abstract, S33C-08, 2005.
Evans, J.R., B.R. Julian and G.R. Foulger, Guided seismic waves: Possible diagnostics for hot plumes in the mantle, EOS Trans. AGU, Fall Meet. Suppl., Abstract, V51B-0569, 2005.
Stuart, W.D., G.R. Foulger and M. Barall, Hawaii volcano chain as a thermoelastically-driven propagating crack, Proceedings, Chapman conference “The Great Plume Debate”, Ft. William, Scotland, p 17, August 2005.
Sharma, K.K. and G.R. Foulger, Neoproterozoic anorogenic magmatism associated with Rodinia breakup: Not a result of mantle superplume, Proceedings, Chapman conference “The Great Plume Debate”, Ft. William, Scotland, p 22, August 2005.
Foulger, G.R., How hot is Iceland?, Proceedings, Chapman conference “The Great Plume Debate”, Ft. William, Scotland, p 32, August 2005.
Foulger, G.R., The generation of melting anomalies by plate tectonic processes, Proceedings, Chapman conference “The Great Plume Debate”, Ft. William, Scotland, p 11, August 2005.
Tkalcic, H., D.S. Dreger, G.R. Foulger and B.R. Julian, Kinematic modeling and complete moment tensor analysis of the anomalous, vertical CLVD Bardarbunga, Iceland, event, IASPEI General Assembly, Santiago, Chile 2 - 8 October, 2005.
Julian, B.R. and G.R. Foulger, Time-dependent seismic tomography of the Coso geothermal area, 1996-2004, Geothermal Resources Council Annual Meeting, Reno, Nevada, 25th - 28th September, 2005.
Colombo, D. and G.R. Foulger, Advanced microearthquake analysis techniques for reservoir monitoring, EAGE 67th Conference & Exhibition, Madrid, Spain, 13-16 June, 2005.
Julian, B.R. G.R. Foulger and K. Richards-Dinger, Monitoring microearthquake activity and structure changes at the Coso geothermal area, 30th Stanford Workshop on Geothermal Reservoir Engineering, California, 31 January - 2 February, 2005.

2004

Julian, B.R., G.R. Foulger and K. Richards-Dinger, Monitoring microearthquake activity and structure changes at the Coso geothermal area, EOS Trans. AGU, 85, Fall Meet. Suppl., Abstract, S54A-04, 2004.
Mazumder, R. and G.R. Foulger, Large igneous provinces, mantle plumes and uplift: A sedimentological perspective, EOS Trans. AGU, 85, Fall Meet. Suppl., Abstract, V51B-0533, 2004.
Foulger, G.R., L.P. Vinnik and Z. Du, The mantle potential temperature anomaly beneath Iceland is insufficient for a thermal plume, EOS Trans. AGU, 85, Fall Meet. Suppl., Abstract, V51B-0569, 2004.
Foulger, G.R., Do plumes exist?, Fourth National Meeting of Earth Science of Mexico, Juriquilla, Mexico, 1 - 5 November, 2004.
Foulger, G.R., Plate Tectonic Processes – A shallow model for “hot spot” magmatism, 32nd International Geological Congress, Florence, Italy, 2004.
Julian, B.R., G.R. Foulger and K. Richards-Dinger, The Coso Geothermal Area: A Laboratory for Advanced MEQ Studies for Geothermal Monitoring, Proceedings of the Geothermal Resources Council Annual Meeting, Palm Springs, California, August 2004.
Foulger, G.R. and B.R. Julian, Changes in Three-Dimensional Seismic Structure 1996 - 2002 at the Coso Geothermal Area, California: A Possible Monitoring Tool for Engineered Geothermal Systems, 29th Stanford Workshop on Geothermal Reservoir Engineering, California, 26-28 January 2004.

2003

Nathenson, M., G.R. Foulger, B.R. Julian, D.L. Anderson and J.H. Natland, A critical examination of the Emperor and Hawaiian volcanic chains, EOS Trans. AGU, Fall Meet. Suppl., Abstract V32A-0989, 2003.
Foulger, G.R. and D.L. Anderson, “Hotspots” and the opening and closure of oceans, EOS Trans. AGU, Fall Meet. Suppl., Abstract V31A-02, 2003.
Julian, B.R., G.R. Foulger, F.C. Monastero and K. Richards-Dinger, Four-dimensional tomography reveals changes in structure 1996 – 2002 at the Coso geothermal area, California, EOS Trans. AGU, Fall Meet. Suppl., Abstract S52I-01, 2003.
Julian, B.R., G.R. Foulger, D.P. Hill, A.M. Pitt, P. Malin and E. Shalev, Non-double-couple earthquakes, Long Valley Caldera Workshop, Mammoth Lakes, CA, October 2003.
O’Hara, M., G.R. Foulger, C. Herzberg and Y. Niu, Mantle plumes: Fertile? Fecund? Phantasmagorical? Or simply Fantastic? PIMMS anyone?, abstract in The Hotspot Handbook, Proceedings of Penrose Conference Plume IV: Beyond the Plume Hypothesis, Hveragerdi, Iceland, August 2003.
Julian, B.R. and G.R. Foulger, What can seismology say about hot spots?, abstract in The Hotspot Handbook, Proceedings of Penrose Conference Plume IV: Beyond the Plume Hypothesis, Hveragerdi, Iceland, August 2003.
Foulger, G.R., D.L. Anderson, J.H. Natland and B.R. Julian, The Emperor and Hawaiian volcanic chains, abstract in The Hotspot Handbook, Proceedings of Penrose Conference Plume IV: Beyond the Plume Hypothesis, Hveragerdi, Iceland, August 2003.
Foulger, G.R., On the apparent eastward migration of the spreading ridge in Iceland, abstract in The Hotspot Handbook, Proceedings of Penrose Conference Plume IV: Beyond the Plume Hypothesis, Hveragerdi, Iceland, August 2003.
Foulger, G.R., D.L. Anderson and J.H. Natland, An alternative model for Iceland and the North Atlantic Igneous Province, abstract in The Hotspot Handbook, Proceedings of Penrose Conference Plume IV: Beyond the Plume Hypothesis, Hveragerdi, Iceland, August 2003.
Bailey, K. and G.R. Foulger, Tristan volcano complex: oceanic end-point of a major African lineament, abstract in The Hotspot Handbook, Proceedings of Penrose Conference Plume IV: Beyond the Plume Hypothesis, Hveragerdi, Iceland, August 2003.
Foulger, G.R. and B.R. Julian, Time Dependent V_p/V_s tomography: An Indicator of Changes in Reservoir Saturation? Eighth Annual Geothermal Program Office Technical Symposium, Davis, California, 29-30th May, 2003.
Julian, B.R. and G.R. Foulger, Using Full Moment Tensor Microearthquake Mechanisms to Define Critical Geothermal Reservoir Fracture Parameters, Eighth Annual Geothermal Program Office Technical Symposium, Davis, California, 29-30th May, 2003.

2002

Foulger, G.R., The potential of Earthscope for studying volcano-tectonic interactions, EarthScope Workshop on Active Magmatic Systems, Vancouver, Washington, October 2002.
Julian, B.R., G.R. Foulger and D.P. Hill, Using accurate hypocenter locations to understand volcanic earthquake mechanisms, EOS Trans. AGU, Fall Meet. Suppl., Abstract S11C-1158, 2002.
Dreger, D., H. Tkalcic, G.R. Foulger and B.R. Julian, Investigation for anomalous focal mechanisms, Bardarbunga, Iceland events, EOS Trans. AGU, Fall Meet. Suppl., Abstract S71C-1108, 2002.
Du, Z. and G.R. Foulger, Techniques for obtaining accurate starting structural models for receiver function inversion using additional data constraints, EOS Trans. AGU, Fall Meet. Suppl., Abstract S61C-1164, 2002.
Foulger, G.R., D.L. Anderson and J.H. Natland, The Melt Anomaly at the Iceland Volcanic Province can be Explained by Mantle Fertility in the Caledonian Suture, EOS Trans. AGU, Fall Meet. Suppl., Abstract S11A-1120, 2002.
Foulger, G.R., Proof of plumes, or richness of plate tectonics? EOS Trans. AGU, Fall Meet. Suppl., Abstract S71D-05, 2002.
Vogfjord, K.S., G. Nolet, W.G. Morgan, R.M. Allen, R. Slunga, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M.J. Pritchard, S. Ragnarsson and R. Stefanson, Crustal profiling in Iceland using earthquake source arrays, EOS Trans. AGU, Fall Meet. Suppl., Abstract S61C-1161, 2002.
Foulger, G. R., There is no plume under Iceland, The Observatory, 122, 316-320, 2002
Tkalcic, H., D. Dreger, Z. Du, G. Foulger and B. Julian, Complete moment tensor study for anomalous Bardarbunga volcano, Iceland event, IRIS meeting, Waikoloa Beach, Hawai'i, 2002.
Hamilton, W.B., D.L. Anderson, G.R. Foulger, and E.L. Winterer, Plumes do not exist, Abstract, European Geophysical Assembly meeting, Nice, France, April 2002.

2001

Julian, B.R. and G.R. Foulger, Detecting and resolving seismic and volcanic sources by radar interferometry, EOS Trans. AGU, Fall Meet. Suppl., Abstract G52A-01, 2001.
Foulger, G.R., Z.J. Du and B.R. Julian, Fine structure of Icelandic type crust: A critical re-evaluation of the plume hypothesis, EOS Trans. AGU, Fall Meet. Suppl., Abstract T12B-0920, 2001.
Foulger, G.R., Testing topside tectonics, NSF Earthscope Workshop, Snowbird, Utah, October 2001.
Foulger, G.R. and D.G. Pearson, Is there a plume in the lower mantle beneath Iceland? Seismic tomography and helium, Mineralogical Society Meeting, Durham, January 2001.

2000

Gunasekera, R.C., G.R. Foulger and B.R. Julian, Repeat seismic tomography reveals reservoir changes at The Geysers geothermal area, California, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2000.
Shen, Y., S.C. Solomon, I.T. Bjarnason, G. Nolet, W.J. Morgan, K. Vogfjord, R. Allen, S. Jakobsdottir, R. Stefansson, G.R. Foulger and B.R. Julian, Seismic evidence for a tilted mantle plume and large-scale, north-south mantle flow beneath Iceland, , EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2000.
Foulger, G.R. and D.G. Pearson, No plume under Iceland: Seismic tomography and helium, , EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2000.
Julian, B.R., G.R. Foulger, D.P. Hill, A.M. Pitt, P.E. Malin and E. Shalev, Earthquake mechanisms at Long Valley caldera, California, , EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2000.
Foulger, G.R., B.R. Julian, A.M. Pitt, D.P. Hill, P.E. Malin and E. Shalev, Tomographic evidence for migration of volcanic gas beneath Mammoth Mountain, Long Valley caldera, California, between 1989 and 1997, EOS Trans. AGU, Fall Meet. Suppl., Abstract, 2000.
Foulger, G.R., M.J. Pritchard and B.R. Julian, Seismic images of the Iceland mantle plume, extended abstract, Plume-Lithosphere Interactions Workshop, Strasbourg, 9th-11th April, 2000.
Foulger, G.R., Z.J. Du, M.J. Pritchard, B.R. Julian, J.E. Evans, R.M. Allen, G. Nolet, W.J. Morgan, B. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson and K. Vogfjord, A seismic study of the Iceland hotspot and mantle plume, GEOSCIENCE 2000 meeting, Manchester, 17-20 April, 2000.

1999

Foulger, G.R., B.R. Julian, D.P. Hill, A.M. Pitt, P.E. Malin and E. Shalev, Three-dimensional seismic structure of Long Valley caldera, eastern California, EOS Trans. AGU, 1999.
Julian, B.R., G.R. Foulger, D.P. Hill, A.M. Pitt, P.E. Malin and E. Shalev, Moment tensors of volcanic microearthquakes at Long Valley caldera, eastern California, EOS Trans. AGU, 1999.
Cardiff, M., Y. Shen, S. Solomon, I. Bjarnason, G. Nolet, W. Morgan, K. Vogfjord, R.M. Allen, S. Jakobsdottir, R. Stefansson, G.R. Foulger and B.R. Julian, Azimuthal dependence of mantle discontinutities near 220 and 300 km depth beneath Iceland, EOS Trans. AGU, 1999.
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, M. Nettles, G. Ekstrom, B. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M.J. Pritchard, S. Ragnarsson, R. Stefansson, The Icelandic crust, EOS Trans. AGU, 1999.
Du, Z.J., G.R. Foulger, M.J. Pritchard, B.R. Julian, G. Nolet, W.J. Morgan, R.M. Allen, B. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson and K. Vogfjord, Variation in the crustal structure across Iceland, EOS Trans. AGU, 1999.
Pritchard, M.J., G.R. Foulger, B.R. Julian, J.E. Evans, R.M. Allen, G. Nolet, W.J. Morgan, B. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson, R. Stefansson and K. Vogfjord, A teleseismic tomography image of the Iceland mantle plume, EOS Trans. AGU, 1999.
Foulger, G.R., B.R. Julian, D.P. Hill, A.M. Pitt, P. Malin and E. Shalev, Three-dimensional seismic structure of Long Valley caldera, eastern California, EOS Trans. AGU, 1999.
Julian, B.R., G.R. Foulger, D.P. Hill, A.M. Pitt, P. Malin and E. Shalev, Moment tensors of volcanic microearthquakes at Long Valley caldera, Eastern California, EOS Trans. AGU, 1999.
Foulger, G.R., The Iceland plume: Now you see it, now you don’t, The Observatory, 119, 120-124, 1999
Julian, B.R. and G.R. Foulger, New investigations of non-double-couple earthquake mechanisms at Long Valley caldera, California, IUGG99 Conference, Birmingham, July 1999.
Foulger, G.R. and B.R. Julian, Variations in source type of non-double-couple earthquakes in volcanic areas, IUGG99 Conference, Birmingham, July 1999.
Du, Z.J. and G.R. Foulger, Variation in the crustal structure beneath northwestern Iceland, IUGG99 Conference, Birmingham, July 1999.
Schlindwein, V., G.R. Foulger and Z.J. Du, Crustal structure of Iceland from receiver functions, IUGG99 Conference, Birmingham, July 1999.
Julian, B.R. and G.R. Foulger, Monitoring volcanoes and geothermal systems with seismic tomography, IUGG99 Conference, Birmingham, July 1999.
Foulger, G.R., B.R. Julian, A.M. Pitt and D.P. Hill, Imaging gas beneath an active volcano using seismic tomography, IUGG99 Conference, Birmingham, July 1999.
Foulger, G.R., M.J. Pritchard, B.R. Julian, G. Nolet, W.J. Morgan, R.M. Allen, B.H. Bergsson, P. Erlendsson, S. Jakobsdottir, S. Ragnarsson and R. Stefansson, A teleseismic tomographic image of the Iceland mantle plume, IUGG99 Conference, Birmingham, July 1999.
Foulger, G.R., B.R. Julian and R.C. Gunasekera, Monitoring reservoir depletion at The Geysers geothermal area, California, using seismic tomography, IUGG99 Conference, Birmingham, July 1999.
Schlindwein, V., G.R. Foulger and Z.J. Du, 3D modelling of the continental crust, EUG Symposium, 1999.

1998

Thatcher, W., G.R. Foulger, B.R. Julian, J. Svarc and E. Quilty, Present day deformation across the Basin and Range Province, Western United States, EOS Trans. AGU, 1998.
Du, Z.J. and G.R. Foulger, The crustal structure of northwest Iceland from receiver functions and surface waves, EOS Trans. AGU, 1998.
Henderson, J.R., D.J. Barton, G.R. Foulger and I.G. Main, Correlations between b-value and fractal dimension in induced seismicity at The Geysers geothermal field, Workshop on Seismicity Patterns, Their Statistical Significance and Physical Meaning, Nikko, Japan, May 1998.
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, R. Stefansson, Iceland’s hot narrow plume, EGS Meeting, Nice, April 1998.
Foulger, G.R., How tectonic plates move, The Observatory, 118, 55-58, 1998.

1997

Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, R. Stefansson, Crustal thickness across Iceland, EOS Trans. AGU, December 1997.
Pritchard, M.J., G.R. Foulger, B.R. Julian, G. Nolet, W.J. Morgan, R. Allen, P. Erlendsson, S. Ragnarsson, R. Stefansson, S. Jakobsdottir, B. Bergsson and K. Vogfjord, An initial image of the seismic structure of the Icelandic plume, EOS Trans. AGU, 1997.
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, R. Stefansson. Modeling focusing effects in Iceland: an alternative method of estimating plume parameters, IRIS Workshop, June 1997.
Allen, R.M., G. Nolet, W.J. Morgan, K. Vogfjord, B.H. Bergsson, P. Erlendsson, G.R. Foulger, S. Jakobsdottir, B.R. Julian, M. Pritchard, S. Ragnarsson, R. Stefansson. Frequency dependent focusing and seismic attenuation in low velocity regions such as Iceland, EOS Trans. AGU, 78, 1997.
Voelksen, C., G. Seeber and G.R. Foulger, Crustal deformations along the plate boundary in northern Iceland between 1987 and 1995, EGS meeing, Vienna, April 1997.
Kjartansson, E., S. Jakobsdottir, P. Erlendsson and G.R. Foulger, Digital evaluation of volcanic noise, Symposium on the eruption in Vatnajokull 1996, Geological Society of Iceland, February, 1997.

1996

Foulger, G.R., M.A. Hofton, and C. Voelksen, Viscoelastic modelling of post-dyking anelastic deformation in north Iceland: A new epoch of GPS measurements, EOS Trans. AGU, 77, F149, 1996.
Pritchard, M., B. Julian, J. Fyen, and G.R. Foulger, Evidence for a deep, low-velocity feature beneath Iceland from P-wave azimuth and slowness anomalies, EOS Trans. AGU, 77, F480, 1996.
Morgan, W.J., G.R. Foulger, B.R. Julian, G. Nolet, K. Vogford, R. Stefansson, S. Jakobsdottir, P. Erlendsson, S. Ragnarsson, B. Bergsson, M. Pritchard, and R. Allen, Seismological study of the Iceland hotspot: Installation of a 30-station broadband network and initial results, EOS Trans. AGU, 77, F479, 1996.
Kaya, O., K. Atakan, G.R. Foulger and R. Karpuz, An alternative approach to the graben systems of central western Anatolia, ILP 7th Workshop of the Task Force, Faroe Islands, August 31-September 6, 1996.
Foulger, G.R., C.C. Grant, A. Ross and B.R. Julian, Industrially-induced changes in Earth structure at The Geysers geothermal area, California, GAP, 6, 27, 1996.
Hofton, M.A. and G.R. Foulger, Postrifting anelastic deformation around the spreading plate boundary, north Iceland 2: Implications of the model derived from the 1987-1992 deformation field, GAP, 6, 6, 1996.
Hofton, M.A. and G.R. Foulger, Postrifting anelastic deformation around the spreading plate boundary, north Iceland 1: Modeling of the 1987-1992 deformation field using a viscoelastic Earth structure, GAP, 6, 6, 1996.
da Silva, H., G.R. Foulger, I.J. Barros, A. Querido, A.B. Walker and J.F.B.D. Fonseca, Seismic activity in Fogo and Brava Islands, Cape Verde, International Symposium for the Volcanic Eruption of 1995 at Fogo Island, Cape Verde, Sept. 23-25, Lisbon, Portugal, 1996.
Voelksen, C. and G.R. Foulger, Monitoring crustal deformation 1987 - 1995 in Iceland, Proceedings ESC meeting, Reykjavik, September 1996.
Julian, B.R. and G.R. Foulger, New seismological methods for monitoring volcanic processes: Crack opening, fluid motion, and fluid properties, Volcanic Hazards Meeting, Asilomar, California, April 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? Proceedings EGS meeting, The Hague, May 1996.

1995

Foulger, G.R., A.M. Pitt, B.R. Julian and D.P. Hill, Three-dimensional structure of Mammoth Mtn., Long Valley caldera, from seismic tomography, EOS Trans. AGU, 76, 351, 1995.
Grant, C.C., B.R. Julian, G.R. Foulger and A. Ross, Progressive depletion of The Geysers geothermal field, northern California, imaged by three-dimensional seismic tomography, EOS Trans. AGU, 76, 350, 1995.
Hofton, M.A. and G.R. Foulger, Anelastic deformation in Iceland following the 1975-1985 Krafla rifting episode, studied using GPS, EOS Trans. AGU, 76, 156, 1995.
Voelksen, C., C.-H. Jahn, G. Seeber and G.R. Foulger, Crustal deformation at the mid-Atlantic ridge in northern Iceland, 1987 - 1992 revealed by GPS, Proceedings, European Geophysical Society, XX General Assembly, Hamburg, 1995.
Voelksen, C., C.-H. Jahn, G. Seeber and G.R. Foulger, Lithosphere dynamics in and around the neovolcanic zone of north Iceland, 1987 - 1992 revealed by GPS, European Geophysical Society XX General Assembly, Hamburg, April 1995.

1994

Julian, B.R. and G.R. Foulger, Identifying non-double-couple earthquakes by inverting seismic-wave amplitude ratios, EOS Trans. AGU, 75, 460, 1994.
Ross, A., G.R. Foulger, B.R. Julian and J.R. Evans, 3-D compressional and shear wave structure at The Geysers geothermal area, California, from local earthquake tomography, EOS Trans. AGU, 75, 422-423, 1994.
Miller, A.D., B.R. Julian and G.R. Foulger, Well constrained non-double-couple earthquakes at the Hengill geothermal area, S.W. Iceland, EOS Trans. AGU, 75, 446, 1994.
Camitz, J., F. Sigmundson, G.R. 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 Trans. AGU, 75, 165, 1994.
Foulger, G.R., Iceland: A close-up of the spreading plate boundary, Weeks Lecture, University of Wisconsin at Madison, May 6th 1994.
Foulger, G.R., B.R. Julian and A. Ross, Earthquake research at The Geysers geothermal area, California: Monitoring the impact of exploitation on the reservoir and the environment, McKelvey Forum, U.S. Geological Survey, 1994.
Arnott, S.K. and G.R. Foulger, The Krafla spreading segment, Iceland: 2. The accretionary stress cycle and non-shear earthquake focal mechanisms, GAP, 4, 20, April 1994.
Arnott, S.K. and G.R. Foulger, The Krafla spreading segment, Iceland: 1. Three-dimensional crustal structure and the spatial and temporal distribution of local earthquakes, GAP, 4, 21, Aug. 1994.
Miller, A.D., G.R. Foulger, B.R. Julian and J.R. Evans, Seismic tomography at the Hengill volcanic geothermal area, S.W. Iceland, Seismological Society of America Meeting, Pasadena, 1994.
Voelksen, C., C.-H. Jahn, G. Seeber and G.R. Foulger, Determination of recent crustal movements along the plate boundary in northern Iceland between 1987, 1990 and 1990, 1st Turkish International Symposium on Deformations, Istanbul, September 5-9, 1994.

1993

Foulger, G.R., M.A. Hofton and B.R. Julian, Regional aseismic post-diking deformation in NE Iceland measured using GPS, 8th Intermational Symposium on Recent Crustal Movements (CRCM ‘93), Kobe, Japan, Dec. 6-11th, 1993.
Evans, J.R., B.R. Julian and G.R. Foulger, Shear-wave splitting for local earthquakes at The Geysers, California, and Hengill, Iceland, EOS Trans. AGU, 403, 1993.
Ross, A., G.R. Foulger, B.R. Julian and J.R. Evans, 3-D compressional and shear wave structure at The Geysers geothermal area, California, from local earthquake tomography, EOS Trans. AGU, 420, 1993.
Hofton, M.A. and G.R. Foulger, Continued post-rifting deformation around the accretionary plate boundary, NE Iceland, EOS Trans. AGU, 193-194, 1993.
Miller, A.D., B.R. Julian, G.R. Foulger and J.R. Evans, Three-dimensional seismic structure of the Hengill triple junction, Iceland, from P- and S-wave local earthquake tomography, EOS Trans. AGU, 421, 1993.
Heki, K., G.R. Foulger, B.R. Julian and C.-H. Jahn, Plate dynamics near divergent boundaries: Geophysical implications of post-rifitng crustal deformation in NE Iceland, GAP, 3, 5, 1993.
Julian, B.R. and G.R. Foulger, Comparative microearthquake surveys of two geothermal systems: The Geysers, California and Hengill, Iceland, EOS Trans. AGU, 74, 207, 1993.
Foulger, G.R. and B.R. Julian, Regional aseismic post-diking deformation in NE Iceland detected using GPS: Viscoelastic relaxation or continued deep diking? EOS Trans. AGU, 74, 107, 1993.
Foulger, G.R., B.R. Julian, A.D. Miller and A. Ross, Study of non-shear earthquake mechanisms in volcanic and geothermal areas, Proceedings of the First Workshop on Volcanic Disaster Prevention, Palo Alto, California, 151-152, 8-12 March, 1993

1992

Julian, B.R., A.B. Prisk and G.R. Foulger, Three-dimensional structure of The Geysers geothermal area, northern Coast Ranges, California, EOS Trans. AGU, 405, 1992.
Foulger, G.R., B.R. Julian, A. Miller and A. Ross, Study of non-shear earthquake mechanisms in volcanic and geothermal areas, Japan-US Science and Technology Meeting (JUST), Palo Alto, California, March 1992.
Hodgkinson, K.M., M.A. Hofton, G.R. Foulger, P. Einarsson and F. Sigmundsson, Crustal deformation of the Hengill triple junction and isostatic movements around the Vatnajokull icecap, Iceland, using GPS, EOS Trans. AGU, 123, 1992.
Foulger, G.R., C.-H. Jahn, G. Seeber, M.A. Hofton, K.M. Hodgkinson, B.R. Julian and K. Heki, Stress diffusion in NE Iceland detected using GPS, and the 1992 resurvey, EOS Trans. AGU, 118, 1992.
Field, P.R., G.R. Foulger and R.C. Searle, Integration of gravity and tomography results to study structure at the Hengill volcanic area of SW Iceland, EOS Trans. AGU, 348, 1992.
Heki, K., G.R. Foulger, C.-H. Jahn, G. Seeber, P. Einarsson and B.R. Julian, Post rifting stress relaxation at the accretionary plate boundary in NE Iceland, measured using GPS, Annales Geophysicae, 10, 116, 1992.

1991

Julian, B.R. and G.R. Foulger, Non-double-couple earthquakes in Iceland: Are they artifacts of crustal heterogeneity? EOS Trans. AGU, 1991.
Foulger, G.R. and B.R. Julian, Search for non-double-couple earthquakes: The Geysers, California and Hengill-Grensdalur, Iceland re-visited, EOS Trans. AGU, 1991.
Jahn, C.-H., G. Seeber, G.R. Foulger and P. Einarsson, GPS epoch measurements across the mid-Atlantic plate boundary in northern Iceland 1987-1990, IUGG XX General Assembly, Vienna, August 1991.
Heki, K., G.R. Foulger, O. Alp and M. Ergun. The 1989 GPS campaign in SW Turkey: Data analysis, IUGG XX General Assembly, Vienna, August 1991.
Iyer, H.M., J.R. Evans, G.R. Foulger and B.R. Julian, Imaging deep seismic structures beneath Yellowstone, Hawaii and Iceland, present hot spot locations in three global tectonic environments, Caltech Plume Symposium, Los Angeles, April 1991.
Foulger, G.R., Study of crustal deformation in Iceland and Turkey using GPS Satellite Surveying, extended abstract, UKGA-15, 1991.
Foulger, G.R., Study of crustal deformation in Iceland and Turkey using GPS satellite surveying, Satellites and Neotectonics Meeting, University of Southampton, Feb. 1991.

1990

Ergun, M., M. Salk and G.R. Foulger, A GPS survey of the extending region of western Turkey. Abstracts, International Earth Sciences Congress on Aegean Regions, 135-136, 1990.

1989

Sigmundsson, F., M.C. Hackman, J. Johnson, R. Bilham, P. Einarsson, L.H. Bjornsson, M. Debiche, T. James, J. Morgan, A. Einarsson, B. Gudmundsson, G. Thorbergsson, G. Vigfusson and G.R. Foulger, Deformation in south Iceland 1986-1989 from GPS geodesy, EOS Trans. AGU, 70, 1053, 1989.
Ergun, M., R.W.C. Westaway and G.R. Foulger, A GPS survey of an area of continental extension: Western Turkey, EOS Trans. AGU, 70, 1989.
Arnott, S.K., G.R. Foulger and R.E. Long, Seismicity and structure of the Krafla central volcano, Iceland, EOS Trans. AGU, 70, 1202, 1989.
Foulger, G.R., Crustal deformation studies in Iceland and Turkey using GPS satellite geodesy, (extended abstract), Quart. J. R. Astron. Soc., 30, 335-336, 1989.
Foulger, G.R. and D.R. Toomey, Structure and evolution of the Hengill-Grensdalur volcanic complex, Iceland: Geology, geophysics and seismic tomography, EOS Trans. AGU, 70, 695, 1989.
Toomey, D.R. and G.R. Foulger, Tomographic inversion of local earthquake data from the Hengill-Grensdalur central volcano complex, Iceland, EOS Trans. AGU, 70, 711, 1989

1988

Rothacher, M., G. Beutler, G.R. Foulger, R. Bilham, C. Rocken and J. Beavan, Iceland 1986 GPS campaign: A complete network solution with fixed ambiguities, EOS Trans. AGU, 69, 1151, 1988.
Foulger, G.R., R.E. Long, P. Einarsson and A. Bjornsson, Implosive earthquake focal mechanisms on the accretionary plate boundary, Krafla, Iceland, EOS Trans. AGU, 69, 1050, 1988.
Robson, G., R.E. Long and G.R. Foulger, Theoretical models of non-double couple earthquakes in volcanic environments, International Workshop of Volcanic Seismology, Capri, Italy, 1988.
Foulger, G.R., Structure of the Hengill geothermal system from earthquake locations and tomography, International Workshop of Volcanic Seismology, Capri, Italy, 1988.
Foulger, G.R. and R.E. Long, Non-double couple earthquakes at the Hengill and Krafla volcanoes, Iceland, International Workshop of Volcanic Seismology, Capri, Italy, 1988.
Foulger, G.R., The Hengill triple junction, SW Iceland: 2. Anomalous earthquake focal mechanisms and implications for processes within the geothermal reservoir and at accretionary plate boundaries, EOS Trans. AGU, 69, 783, 1988.
Foulger, G.R., The Hengill triple junction, SW Iceland: 1. Tectonic structure and the spatial and temporal distribution of local earthquakes, EOS Trans. AGU, 69, 783, 1988.
Foulger, G.R. and R.E. Long, Microseismicity in the Krafla spreading centre: More non double-couple earthquake focal mechanisms from Iceland, UKGA-12, 1988.

1987

Foulger, G.R., A GPS geodetic survey of the Northern Volcanic Zone of Iceland, 1987, EOS Trans. AGU, 68, 1236, 1987.
Foulger, G.R., A GPS survey of Iceland and the North Atlantic, UKGA-11, 465, 1987.

1986

Bowin, C., E. Hernandes, R. Bilham, C. Rocken, G. Foulger, T. Dixon, S. Dinardo, M. Golombec, J. Srinivasan, B. Stephens and C. Vegos, Northern Caribbean plate boundary deformation: GPS measurements, EOS Trans. AGU, 67, 912, l986.
Rothacher, M., G. Beutler, G. Foulger, R. Bilham and C. Rocken, Processing of the Iceland l986 GPS data using the Bernese GPS program system, EOS Trans. AGU, 67, 913, l986.
Bilham, R.G., J. Levine, C. Rocken, J. Stowell, G. Foulger, K. Hurst, T. Koczynski, C. Scholz, P. Wessel, P. Einarsson, A. Bjornsson, I.T. Magnusson, G. Thorbergsson, A. Einarsson, B. Gudmundsson, T. Theodorsson, T. James, W.J. Morgan, T. Arnadottir, J. Greer, J. Daniels, D. Gudmundsson, R. Keable, S. Smith, P. Murphy and H. Bibby, Epoch GPS survey of Iceland for tectonic studies, EOS Trans. AGU, 67, 912, l986.
Toomey, D.R. and G.R. Foulger, A tomographic inversion of local earthquake data: Hengill-Grensdalur central volcano, Iceland, EOS Trans. AGU, 67, 1110, l986.
Foulger, G.R. and D.R. Toomey, 3-D crustal structure of the Hengill-Grensdalur central volcano complex, Iceland, from seismic tomography, EOS Trans. AGU, 67, 1110, l986.

1985

Foulger, G.R., Tensile crack formation at the Icelandic accretionary plate boundary: Anomalous earthquake focal mechanisms, EOS Trans. AGU, 66, 852, 1985.

1983

Foulger, G., Seismological studies of the Hengill geothermal area, S Iceland, Int. Union Geod. Geophys., Hamburg, Aug. 1983.

1981

Foulger, G. and P. Einarsson, Recent earthquakes in the Hengill-Hellisheidi area in S.W. Iceland, EOS Trans. AGU, 62, 17, 225, 1981.

last update 19th July, 2010