Gomberg Main Page

Joan Gomberg
Research Geophysicist, US Geological Survey

Office : US Geological Survey, University of Washington, Dept. of Earth & Space Sciences, Box 351310, Seattle, WA 98195
Phone : 206-616-5581
Cell : 206-941-7498
Fax : 206-553-8350
email : gomberg@usgs.gov

Research Interests
Earthquake hazard assessment, earthquake interactions, source scaling, coupled aseismic and seismic deformation, turbidites.

Related links
Pacific Northwest Seismic Network
Practical Guide to Pacific Northwest Earthquakes
3d_def Boundary Element Software

Education
Massachusetts Institute of Technology        Geophysics             B.Sc., 1979
University of California, San Diego               Geophysics            Ph.D., 1986

Positions Held
Post-doc, University of California, San Diego                                   1986-87
Post-doc, University of Nevada, Reno                                           1987-88
Visiting Scholar, Inst, Geol. & Nuclear Sci., New Zealand                 Winter, 2002
Visiting Scholar, Ist. Naz. di Geofisica e Vulc., Italy                       Spring, 2002
Research Geophysicist, US Geological Survey, Golden, CO           1988-1994
Research Geophysicist, US Geological Survey, Memphis,TN            1994-2006
Adjunct Assoc. Prof., Univ. of Memphis,, Memphis,TN                     1994-2006
Research Geophysicist, U.S. Geological Survey, Seattle, WA           2006-present
Affiliate Assoc. Prof., Univ. of Washington, Seattle, WA                   2006-present

Recent/Current Research
Fault Slip Modes: from Slow Seismic and Aseismic Slip to Earthquakes.
Earthquake Triggering.
Seismicity.
Submarine and Terrestrial Landslides and Volcanoes.
Earthquake Early Warning.
Earthquake Scaling.

Editorial Service
2002 - 2014: Assoc. Editor - Journal of Geophysical Research.
2004-2005: Co-Editor - Journal of Geophysical Research Special Vol., Stress Transfer, Earthquake Triggering, and Time-dependent Seismic Hazard
2008 - 2010: Co-Editor - Journal of Geophysical Research Special Vol., Aseismic Slip, Non-volcanic Tremor, and Earthquakes

Professional Organization Activities
American Geophysical Union Member, Fellow 1979 - present
Seismological Society of America

Member                                               1986 - present
SSA/IRIS Distinguished Lecturer
Selection Standing Comm. Member      2004 - 2010
Board of Directors Member                 2003 - 2006
Vice President                                     2004 - 2006
Board of Dir. Nominating Comm.Chair 2006

Earthquake Engineering Research Institutions 2012 - present
Assoc. of Women in Geoscience Member      1987 - 2005
IRIS PASSCAL Standing Comm. Member        2001 - 2004
Council of Natl. Seismic Sys. Board Member   1997 - 2001
Cascadia Regional Earthquake Working Group 2006 - present
CPARM                                                             2006 - present
City of Seattle Unreinforced Masonry Building 2008 - 2013
Retrofit project Technical and Policy Committees

Panel & Workshop Activities
USGS Performance Panels

2005 - Central Region Geologic Hazards Team
2006 - Panel Chair, Central Region Geologic Hazards Team
2007 - Earthquake Hazards Team
2008, 2014-2016 - Panel Chair, Earthquake Hazards Team

Scientific Workshops (Invited Participant)

April, 2002 - Inst. of Geol. and Nuclear Sci. "Microzoning" - Ground-classing Wkshp, Lower Hutt, New Zealand.
October, - 2002 IRIS AllComm Wkshp, College Park, Maryland.
January, 2006 - Fourth Internatl. Wkshp on Statistical Seismol., Inst. of Statistical Math. of Japan, Zushi, Japan

March, 2007- S. Calif. Earthquake Ctr. Working Group on Calif. Earthquake Probabilities Wkshp, Lake Arrowhead, California
February, 2008 - USGS, Earthscope, UNAVCO, Geol. Surv. of Canada, Workshop on "Aseismic Slip, Nonvolcanic Tremor, and Earthquakes", Sidney, British Columbia
March, 2008 - UNAVCO Science Workshop, Boulder, Colorado
September 2008 - Writing Team, NSF Long Range Science Plan for Seismology Workshop, Lakewood, Colorado
October, 2008 - European Science Foundation Conf. on New Challenges in Earthquake Dynamics, Obergurgl, Austria
October, 2008 - 7th U.S. Japan Natural Resources meeting, Seattle, Washington
July, 2009 - NSF Cascadia Margins/Earthscope Workshop, Palisades, New York
October, 2009 - NSF Earthscope Science Workshop, Snowbird, Utah
October, 2010 - Earthscope Institute: The Spectrum Of Fault Slip Behaviors, Portland, Oregon
October, 2010 - NSF-Cascadia Offshore Experiment Planning Workshop, Portland Oregon

September, 2011 - European Science Foundation Conf. on New Challenges in Earthquake Dynamics, Obergurgl, Austria
August 17-22, 2014 - Gordon Conference on Evolving Rock Structure: From Grain-Scale to Planet-Scale, Andover, New Hampshire
November 2014- International School on Earthquakes: Nucleation, triggering, and the relationship with aseismic processes, Cargèse, Corsica, France.
April 2015 - International Ocean Drilling Project Workshop on Investigating Cascadia Subduction Zone Geodynamics through Scientific Ocean Drilling, Seattle, Washington
October 2015 - GeoPRISMS Theoretical and Experimental Institute on Subduction Cycles, Redondo Beach, California
October 2016 - NSF Subduction Zone Observatory Workshop, Boise, Idaho
November 2016 - National Academies of Sciences meeting "The Cascadia Subduction Zone: Science, Impacts, and Response, Washington, D.C.
April, 2017 - Moore Foundation Offshore Geophysical Monitoring of Cascadia for Early Warning and Hazards Research workshop, Seattle, Washington.

Review Panels

January, 2004 - National Res. Council Comm. meeting to evaluate the economic benefits of improved seismic monitoring, St. Louis, MO.
February, 2005 - USGS Mendenhall Postdoctoral Fellowship Program, Reston, Virginia

July, 2006 - USGS NEHRP Ext. Grants Program, CEUS Panel Leader, San Antonio, Texas
July, 2006 - USGS NEHRP External Grants Program, Pacific Northwest Panel Member, San Antonio, Texas
July, 2009 - USGS NEHRP External Grants Program, Central and Eastern US Panel Member, Reston, Virginia
October, 2012 - USGS Presidential Early Career Awards in Science and Engineering, Panel Member
August, 2013 - USGS NEHRP External Grants Program, Pacific Northwest Panel Chair, Seattle, Washington
September, 2013 - Tectonics Journal Senior Editor Selection Committee Member
June, 2014 - American Geophysical Union Keiti Aki Young Scientist Award, Selection Panel Member
May, 2015 - American Geophysical Union Keiti Aki Young Scientist Award, Selection Panel Member
June, 2016 - Seismological Society of America Board of Directors, Selection Panel Member
April, 2017 – American Geophysical Union Honors Canvassing Committee, Committee Member

Conference, Workshop Planning

2007-2008 - April 2008 National Earthquake Conference Planning & Steering Committee Member
2007-2008 - Feb. 2008 USGS/Earthscope/GSC/UNAVCO Workshop on Aseismic Slip, NonVolcanic Tremor and Earthquakes, Planning Committe Chair
2008-2009 - March, 2009 Workshop on Cascadia 2007 and Beyond Slow Slip and Tremor
2010 - October, 2010 Earthscope Institute: The Spectrum of Fault Slip Behaviors, Scientific Planning Committee Member
2011-2012 - January, 2012 ShakeCast for Pacific Northwest Public and Private Sectors Workshop, Planning Committee Chair
2012-2013 - Februrary, 2013 Earthquake Research Institutions Annual Meeting, Planning Committee Member

2012-2013 - Februrary, 2013 Christchurch Earthquakes Workshop, Planning Committee Member
2013-2014 - November, 2014 International School on Earthquakes: Nucleation, triggering, and the relationship with aseismic processes (Corsica, France),Planning Committee Member
2015 - May, Advancing USGS Integrated Subduction Zone Science, Planning Committee Chair
2015-2016, October, 2016 NSF Subduction Zone Observatory Workshop, Planning Committee Member
2016- present 2017 International School on Earthquakes: Nucleation, triggering, and the relationship with aseismic processes (Corsica, France), Planning Committee Member

Honors

2013 American Geophysical Union Fellow
2015 Association for Women Geoscientists Excellence Award

USGS Awards

1991 Branch of Geologic Risk Assess. Best Pub. Award
1993 Gilbert Fellowship (Dynamic Strains and Earthquake Triggering)
1997 On the Spot award for organizing workshop on U.S. seismic networks and the national seismic system
1998 Star award for leadership in responding to the M4.9, southern Alabama earthquake.
1999 Star award for liaison activities with the Mid-America Earthquake Center.
2000 Star award for leadership in the Central and Eastern U.S. Hazards program
2001 Star award for leadership in the Central and Eastern U.S. Hazards program
2003 Central Region Geologic Hazards Team Senior Scientist in Residence Award
2004 Star award for leadership in the Central and Eastern U.S. Hazards program
        Star award for service to the Earthquake Hazards Program

        Venture Capital Fund Award, A Multi-facility Approach to Solving Problems in Earthquake Hazards
        Venture Capital Fund Award, A GIS Based Decision Support System for Earthquake Risk Mitigation

2007 Star award for leadership in activities related to episodic tremor and slip.
2008 Star award for leadership in activities related to episodic tremor and slip.
2009 Mendenhall Fellowship Award (mentor) Crustal structure, faulting, and earthquake effects in the Cascadia region
2012 Mendenhall Fellowship Award (mentor) Building New Holistic Earthquake Monitoring
2013 Mendenhall Fellowship Award (mentor) Exploring Fault Slip Modes in Alaska and the Aleutian Arc
2016 Star award for leadership in subduction zone science coordination.
2016 Star award for participation in Society of Environmental Journalists conference.

Publications

2017

Gomberg, J.S., and Ludwig, K.A., 2017, Reducing risk where tectonic plates collide: U.S. Geological Survey Fact Sheet 2017–3024, 4 p., https://doi.org/10.3133/fs20173024.

Gomberg, J.S., Ludwig, K.A., Bekins, B.A., Brocher, T.M., Brock, J.C., Brothers, Daniel, Chaytor, J.D., Frankel, A.D., Geist, E.L., Haney, Matthew, Hickman, S.H., Leith, W.S., Roeloffs, E.A., Schulz, W.H., Sisson, T.W., Wallace, Kristi, Watt, J.T., Wein, Anne, 2017, Reducing risk where tectonic plates collide—U.S. Geological Survey subduction zone science plan: U.S. Geological Survey Circular 1428, 45 p., https://doi.org/10.3133/cir1428.

Gomberg, J. (2017), Cascadia Onshore-Offshore Site-Response, Submarine Sediment Mobilization, and Earthquake Recurrence: Journal of Geophysical Research, in preparation.

Johnson, H. P., J. S. Gomberg, S. L. Hautala, and M. S. Salmi (2017), Sediment gravity flows triggered by remotely generated earthquake waves, J. Geophys. Res. Solid Earth, 122, doi:10.1002/2016JB013689. Download

McBrearty, I., J. Gomberg, A. Delorey, and P. Johnson (2017), Northern Chile seismicity rate changes and ripe-fault triggering: Bulletin of the Seismological Society of America, in preparation.

2016

Crowell, B.W., D.A. Schmidt, P. Bodin, J.E. Vidale, J. Gomberg, J. R. Hartog, V.C. Kress, T.I. Melbourne, M. Santillan, S.E. Minson, and D.G. Jamison (2016). Demonstration of the Cascadia G-FAST Geodetic Earthquake Early Warning System for the Nisqually, Washington Earthquake: Seismological Research Letters, v. 87, no. 4., July-August, doi: 10.1785/0220150255. Download

Gomberg, J., P. Bodin, J. Bourgeois, S. Cashman, D. Cowan, K. Creager, B. Crowell, A. Duvall, A. Frankel, F. Gonzalez, H. Houston, P. Johnson, H. Kelsey, U. Miller, E. Roland, D. Schmidt, L. Staisch, J. Vidale, W. Wilcock, E. Wirth (2016), Planning for a Subduction Zone Observatory, EOS Transactions of the American Geophysical Union, v. 97, 11 p., doi: 10.1029/2016EO052635. Download

Gomberg, J., A. Wech, K. Creager, K. Obara, D. Agnew, (2016), Reconsidering earthquake scaling: Geophysical Research Letters, v. 43, 9 p., doi: 10.1002/2016GL069967. Download

Gomberg, J., D. Agnew, and S. Schwartz (2016), Alternative models of very low frequency earthquakes, Journal of Geophysical Research, v. 121, p. 6722–6740, doi:10.1002/2016JB013001. Download

2015

Gomberg, J., Atwater, N. Beeler, P. Bodin, E. Davis, A. Frankel, G. Hayes, V. McConnell, T. Melbourne, D. Oppenheimer, J. Parrish, E. Roeloffs, G. Rogers, B. Sherrod, J. Vidale, T. Walsh, C. Weaver, and P. Whitmore (2015), Earthquake forewarning in the Cascadia region, US Geological Survey Open-File Report, US Geological Survey Open-File Report, 2015–1151, 8 p., http://dx.doi.org/10.3133/ofr20151151. Download

Hotovec-Ellis, A. J., J. E. Vidale, J. Gomberg, W. Thelen and S. C. Moran (2015), Changes in seismic velocity during the 2004-2008 eruption of Mount St. Helens, Washington, Journal of Geophysical Research, Journal of Geophysical Research, v. 120, doi:10.1002/2013JB01074. Download

Marsan, D., J. Gomberg, and M. Bouchon (2015), Exploring earthquakes, slow slip and triggering: EOS Transactions of the American Geophysical Union, v. 96, doi:10.1029/2015EO025955. Download

Wu C., R. Guyer, D. Shelly, D. Trugman, W. Frank, J. Gomberg and P. Johnson (2015), Spatial-temporal variation of low-frequency earthquake bursts near Parkfield, California: Geophysical Journal International, v. 202, p. 914-919, doi: 10.1093/gji/ggv194. Download

2014

Gomberg, J., and B. Sherrod (2014), Crustal earthquake triggering by modern great earthquakes on subduction zone thrusts, J. Geophys. Res. Solid Earth, 119, 1235 - 1250, doi:10.1002/2012JB009826. Download

Hotovec-Ellis, A. J., J. Gomberg, J. E. Vidale, and K. C. Creager (2014), A continuous record of inter-eruption velocity change at Mount St. Helens from coda wave interferometry, J. Geophys. Res. Solid Earth, 119,doi:10.1002/2013JB010742. Download

Minson, S.E., J.R. Murray, J.O. Langbein and J.S. Gomberg (2014), Real-time inversions for finite fault slip models and rupture geometry based on high-rate GPS data: Journal of Geophysical Research, 119, 3201-3231, doi:10.1002/2013JB010622. Download

Sherrod, B., and J. Gomberg (2014), Crustal earthquake triggering by prehistoric great earthquakes on subduction zone thrusts, J. Geophys. Res. Solid Earth, 119, 1273-1294, doi:10.1002/2013JB010635. Download

Wu, C., J. Gomberg, E. Ben-Naim, and P. Johnson (2014), Triggering of repeating earthquakes in central California, Geophys. Res. Lett., 41, doi:10.1002/2013GL059051. Download

2013

Brown, J. R., S. G. Prejean, G. C. Beroza, J. S. Gomberg, and P. J. Haeussler, Deep low-frequency earthquakes in tectonic tremor along the Alaska-Aleutian subduction zone: Journal of Geophysical Research, 118, 1079-1090, doi:10.1029/2012JB009459. Download

Gomberg, J., Permanently Enhanced Dynamic Triggering Probabilities as Evidenced by Two M>7.5 Earthquakes: Geophysical Research Letters, Geophys. Res. Lett., 40, doi:10.1002/grl.50933.

Gomberg, J. and A. Jakobitz, A collaborative, user-produced, assessment of earthquake response products: USGS Open File Report 2013-1103, 17 p. Download

Gomberg, J. and S. Prejean, Tremor sweet spots in Alaska: Journal of Geophysical Research, v. 118, p. 6,203-6,218, doi:10.1002/2013JB010273, v. 343, p. 119. Download

Hotovec, A.J., S. G. Prejean, J. E. Vidale, J. Gomberg, 2011, Strongly Gliding Harmonic Tremor During the 2009 Eruption of Redoubt Volcano: Journal of Volcanology and Geothermal Research, v. 259, 89-99. Download

Wu, C., D. Shelly, J. Gomberg, Z. Peng, and P. Johnson (2013), Long-term changes of earthquake inter-event times and low-frequency earthquake recurrence in central California,Earth Planet. Sci. Lett., 144-150, doi:10.1016/j.epsl.2013.03.007.

Gomberg, J., A practical guide to Pacific Northwest earthquakes, USGS Technology Enabled Learning course, online.

2012

Gomberg, J. K. Creager, J. Sweet, J. Vidale, A Ghosh, and A. Hotovec, Earthquake spectra and near-source attenuation in the Cascadia subduction zone, Journal of Geophysical Research, 117, B5, doi:10.1029/2011JB009055. Download

Gomberg, J., S. Prejean, and N. Ruppert, Afterslip, tremor and the Denali Fault earthquake: Bulletin of the Seismological Society of America, v. 102, p. 892-899. Download

Gomberg, J., B. Sherrod, M. Trautman, E. Burns and D. Snyder, Contemporary seismicity in and around the Yakima Fold and Thrust Belt in eastern Washington: Bulletin of the Seismological Society of America, v. 201, p. 309-320 . Download

Wicks, C., W. Thelen, J. Gomberg, C. Weaver and A. Rohay, InSAR observations of aseismic slip associated with an earthquake swarm in the Columbia River Basalt: Journal of Geophysical Research, 116, B12304, 8 p., doi:10.1029/2011JB008433 . Download

2011

Gomberg, J. and K. Felzer, Reply to Comment on A model of earthquake triggering probabilities and application to dynamic deformations constrained by ground motion observations by Ross Stein: Journal of Geophysical Research, 116, B03313, doi:10.1029/2010JB008094. Download

Gomberg, J., W. Schulz, P. Bodin, and J. Kean, Seismic and geodetic signatures of fault slip at the Slumgullion landslide natural laboratory: Journal of Geophysical Research, v. 116, B09404, doi:10.1029/2011JB008304. Download

Vidale, J. E., A. J. Hotovec, A. Ghosh, K. C. Creager, and J. Gomberg, Tiny intraplate earthquakes triggered by nearby episodic tremor and slip in Cascadia: Geochem. Geophys. Geosyst., v. 12, Q06005, doi:10.1029/2011GC003559. Download

2010

Gomberg, J., Lessons from (Triggered) Tremor: Journal of Geophysical Research, 47 p., v. 115, B10302, doi:10.1029/2009JB007011. Download

Gomberg, J., 2010, Introduction to special section on Phenomenology, Underlying Processes, and Hazard Implications of Aseismic Slip and Nonvolcanic Tremor: Journal of Geophysical Research, v.115, doi:10.1029/2010JB008052. Gomberg, J. and The Cascadia 2007 and Beyond Working Group, Slow Slip Phenomena in Cascadia from 2007 and Beyond: A Review: Geological Society of America Bulletin, online March 29, 2010, p. 963-978, doi:10.1130/B30287.1. Download

Gomberg, J., B. Sherrod, C. Weaver, and A. Frankel, 2010, A magnitude 7.1 earthquake in the Tacoma Fault Zone; a plausible scenario for the southern Puget Sound region, Washington: USGS Fact Sheet 2010-3023, 4 p., http://pubs.usgs.gov/fs/2010/3023/

Peng, Z. and J. Gomberg, An integrated perspective of the continuum between earthquakes and slow-slip phenomena: Nature Geosciences, v. 3, p. 599-607, doi:10.1038/ngeo940. Download

2009

Johnson, P., Bodin, P., J. Gomberg, Pearce, F., Z. Lawrence,, X. Jia, and F-Y. Meng, Inducing in situ, nonlinear soil response applying an active source: Journal of Geophysical Research, 114, B05304, doi:10.1029/2008JB005832. Download

Lay (ed.), T., R. Aster, D. Forsyth, B. Romanowicz, R. Allen, V. Cormier, J. Gomberg, J. Hole, G. Masters, D. Schutt, A. Sheehan, J. Tromp, M. Wysession, 2009, Seismological Grand Challenges in Understanding Earth's Dynamic Systems, Incorporated Research Institutions for Seismology Report to the National Science Foundation, 74 p. Download

Rubinstein, J., J. Gomberg , J. Vidale , A. Wech , H. Kao , K. Creager , G. Rogers, 2009, Dynamic Triggering of Non-Volcanic Tremor, ETS, and Earthquakes on Vancouver Island: Journal of Geophysical Research, 114, B00A01,
doi:10.1029/2008JB005875. Download

Smith, E.F. and J. Gomberg, A Search in Strainmeter Data for Slow Slip Associated with Triggered and Ambient Tremor near Parkfield, California: Journal of Geophysical Research, 113, B00A14, doi:10.1029/2008JB006040. Download

2008

Gomberg, J. and K. Felzer, 2008, Earthquake triggering and the scaling of ground motions, Journal of Geophysical Research, 113, B10317, doi:10.1029/2007JB005184. Download

Gomberg, J., E. Roeloffs, A. Trehu, H. Dragert, C. Meertens, 2008, Report on the Aseismic Slip, Tremor, and Earthquakes Workshop, USGS Open-File Rept., 2008-1343, 72 p. http://pubs.usgs.gov/of/2008/1343/.

Gomberg, J., J.L. Rubinstein, Z. Peng, K.C. Creager, J.E. Vidale, and P. Bodin, 2008, Widespread Triggering of Non-volcanic Tremor in California, Gomberg, J., J.L. Rubinstein, Z. Peng, K.C. Creager, J.E. Vidale, and P. Bodin, 2008, Widespread Triggering of Non-volcanic Tremor in California, Science, v. 319, p. 173. Download

Hartog, R., J. Gomberg, S. Moran, A. Wright, K. Meagher, The October 8, 2006 M4.5 Cowlitz Chimney earthquake in Mount Rainier National Park, Seismological Research Letters, v. 79, p. 186-193. Download

Johnson, P.A., Savage, H., Knuth, M., Gomberg, J. and Marone, C., 2008. Effects of acoustic waves on stick-slip in granular media and implications for earthquakes, v. 451|3 January 2008| doi:10.1038/nature06440 , p. 57-60. Download

Lawrence, Z., P. Bodin,C.A. Langston, F. Pearce, J. Gomberg, P.A. Johnson, F.Y. Menq, T. Brackman, 2008, Induced Dynamic Nonlinear Ground Response at Garner Valley, California: Bulletin of the Seismological Society of America, v. 98, p. 1412-1418, doi: 10.1785/0120070124. Download

Peng, Z., JE Vidale, KC Creager, JL Rubinstein, J Gomberg, P Bodin, 2008, Strong tremor near Parkfield, CA excited by the 2002 Denali earthquake, Geophys. Res. Letts, 35, L23305, doi:10.1029/2008GL036080. Download

2007

Rubinstein, J., J. Vidale, J. Gomberg, P. Bodin, K. Creager, and S. Malone, 2007, Non-volcanic tremor driven by large transient shear stresses: Nature, v. 448, p. 579-582, doi:10.1038/nature06017. Download

2006

Cramer, C., J.S. Gomberg, E.S. Schweig, B.A. Waldron, and K. Tucker, 2006, First USGS urban hazard maps predict the effects of soils: Seism. Res. Letts., v. 77, p. 23-29.

Gomberg, J.. L. Wald, R. Dart, E.S. Schweig, 2006, Urban Seismic Hazard Mapping for Memphis, Shelby County, Tennessee: USGS Fact Sheet 05-3142, 4 p.

2005

Bodin, P., C. Langston, G. Patterson, C. Powell, M. Withers, and J. Gomberg, 2005, Earthscope science for Mid-America, EOS Transactions of the American Geophysical Union, v. 86, p 68-69.

Gomberg, J., M.E. Bardinelli, , M. Cocco, P. Reasenberg, 2005, Time-dependent earthquake probabilities: Journal of Geophysical Research, 110, B05S04, doi:10.1029/2004JB003405. Download

Gomberg, J. and P. Johnson, 2005, Dynamic Triggering of Earthquakes, v. 437, p. 830, doi:10.1038/nature04167, Nature. Download

Gomberg, J., P. Reasenberg, M. Cocco, M.E. Bardinelli, 2005, A frictional population model of seismicity rate change: Journal of Geophysical Research, 110, B05S03, doi:10.1029/2004JB003404. Download

Steacy, S., J. Gomberg, M. Cocco, 2005, Introduction to special section: Stress transfer, earthquake triggering, and time-dependent seismic hazard, Journal of Geophysical Research, 110, B05S01, doi:10.1029/2005JB003692. Download

2004

Cramer, C. H., J. S. Gomberg, E. S. Schweig, B. A. Waldron, and K. Tucker, 2004, The Memphis, Shelby County, Tennessee, Seismic Hazard Maps: USGS Open-File Report 04-1294, 40 p.

Gomberg, J., P. Bodin, K. Larson, H. Dragert 2004, The fundamental process of earthquake nucleation by transient deformations revealed by the M7.9 Denali, Alaska earthquake, Nature, 427, 621-624.

Gomberg, J., and the Participants in the IRIS/NEES/USGS Workshop and Garner Valley Experiment, 2004, Multifacility, Multidisciplinary Earthquake Science and Engineering, EOS Transactions of the American Geophysical Union, v. 85, p 404.

Petersen, M.D., B.K. Rastogi, E.S. Schweig, S.C. Harmsen, J.S. Gomberg, 2004, Sensitivity analysis of seismic hazard for the northwestern portion of the state of Gujarat, India, Tectonophysics, v. 390, p. 105-115.

2003

Bodin, P., Schweig, E., Pavlis, G. and Gomberg, J., 2003, A Rapid Array Mobilization Procedure (RAMP) Agreement for the Central United States, US Geological Survey Open File Report 03-015, 23 p..

Gomberg, J., P. Bodin, and P. Reasenberg, 2003, Observing Earthquakes Triggered in the Near Field by Dynamic Deformations: Bulletin of the Seismological Society of America, v. 93, p. 118-138. Download

Gomberg, J., B. Waldron, E. Schweig, H. Hwang, A. Webbers, R. VanArsdale, K. Tucker, R. Williams, R. Street, P. Mayne, W. Stephenson, J. Odum, C. Cramer, R. Updike, S. Hutson, M. Bradley, 2003, Lithology and Shear-wave Velocity in Memphis, Tennessee, 2003, Bulletin of the Seismological Society of America, v. 93, p. 986-998.

Larson, K., P. Bodin, and J. Gomberg, 2003, Using 1 Hz GPS Data to Measure Permanent and Seismic Deformations Caused by the Denali Fault Earthquake, Science, v. 300, p. 1421-1424.

Michael, A.J., N. Field, A. Frankel, J. Gomberg, and K. Shedlock, 2003, Chapts. 4 & 5, Time-Independent Hazard and Time-Dependent Hazard, in Earthquake Science and Seismic Risk Reduction, eds. F. Mulargia and R. Geller, NATO Advanced Research Workshop Publ. Series, p. 251-364.

Pratt,T., M. Holmes, E. Schweig, J. Gomberg, H. Cowan, 2003, Shallow faulting in Limon Bay, Republic of Panama: Implications for seismic hazard analyses and recent tectonics: Tectonics, v. 368, p. 211-2287.

Schweig E., Gomberg J., Petersen M., Ellis M., Bodin P., Mayrose L, and Rastogi B. K., 2003, The M 7.6 Bhuj earthquake: Global lessons for earthquake hazard in intra-plate regions: Journal of the Geological Society of India, v. 61, p. 277-282.

2002

Gomberg, J. and Schweig, E., 2002, East meets Midwest: An earthquake in India helps hazard assessment in the Central United States, USGS Fact Sheet 007-02, 4 p..

Gomberg, J. and Schweig, E., 2002, Earthquake Hazard in the Heart of the Homeland, USGS Fact Sheet 131-02, 4 p., http://pubs.usgs.gov/fs/2006/3125/.

Kilb, D., Gomberg, J. & Bodin, P., 2002, Aftershock triggering by complete Coulomb stresses: Journal of Geophysical Research, v. 107, 10.1029/2001JB000202. Download

2001

Cramer, C. and Gomberg, J., 2001, Updated New Madrid analysis better defines the uncertainty in seismic hazard maps: EOS Transactions of the American Geophysical Union, v. 82, p. 102-106.

Ellis, M., Gomberg, J. and Schweig, E., 2001, Indian earthquake may serve as analog for New Madrid earthquakes: EOS Transactions of the American Geophysical Union, v. 82, p. 345-350.

Gomberg, J., 2001, The failure of earthquake failure models: Journal of Geophysical Research, v. 106, p. 16253-16264.

Gomberg, J., Reasenberg, P., Bodin, P. and Harris, R. 2001, Earthquake triggering by transient seismic waves following the Landers and Hector Mine, California earthquakes: Nature, v. 411, p. 462-466.

Gomberg, J., and Schweig, E., 2001, Earthquake hazard in the Appalachian region, in Adams. D. B., Burke, K., Hemingway, B., Keay, J., and Yurewicz, compilers, U.S. Geological Survey Appalachian region integrated science workshop proceedings, Gatlinburg, Tennessee, October 22-26, 2001: U.S. Geological Survey Open-File Report 01-406, p. 141-143.

Schweig E., Gomberg J., Bodin P., Patterson G., and Davis, S., 2001, The internet: shaking up scientific communications: Nature, 412, http://www.nature.com/nature/webmatters/equake/.

Schweig, E. S., Gomberg, J.S., and VanArsdale, R.B., 2001, Introduction to special issue titled earthquake hazard evaluation in the Central United States: Engineering Geology, v. 62, p. 1-5.

2000

Gomberg, J., Beeler, N.M., and Blanpied, M.L., 2000, On rate-and-state and Coulomb failure models: Journal of Geophysical Research, v. 105, p. 7857-7872. Download

Gomberg, J., Pavlis, G. and Bodin, P., 2000, The strain in the array is mainly in the plane (waves): Bulletin of the Seismological Society of America, v. 89, p. 1428-1438.

Kilb, D., Gomberg, J. & Bodin, P., 2000, Triggering of earthquake aftershocks by dynamic stresses: Nature, v. 408, p. 570-574.

Participants* in the 2000 New Madrid Source Workshop, 2000, Reassessing New Madrid, EOS, Am. Geophys. Union Trans., v. 81, p. 397-403.

1999

Schweig, E., Gomberg, J. and Tuttle, M., 1999, Comment: Caution urged in revising earthquake hazard estimates in New Madrid seismic zone, EOS, Transactions, Amer. Geophys. Union, v. 80, p. 197.

Gomberg, J. and Wolf, L., 1999, A possible cause for an improbable earthquake: The 1997, Mw4.9 southern Alabama earthquake and hydrocarbon recovery: Geology, v. 27, p. 367.

Kilb, D. and Gomberg, J., 1999, The initial subevent of the 1994, Northridge, California earthquake: Do small and large earthquakes initiate similarly?, Seismology,v. 3, p. 409-420.

1998

Gomberg, J., Beeler, N.M., and Blanpied, M.L., 1998, Earthquake triggering by static and dynamic deformations: Journal of Geophysical Research, v. 103, p. 24411-24426. Download

1997

Bodin, P., Gomberg, J., Singh, S.K., and Santoyo, M., 1997, Dynamic deformations of shallow sediments in the Valley of Mexico, Part I: Three dimensional strains and rotations recorded on a seismic array: Bulletin of the Seismological Society of America, v. 87, p. 528-539.

Gomberg, J., 1997, Dynamic and permanent deformations, and the M6.7, Northridge, California earthquake: Soil Dynamics and Earthquake Engineering, v. 16, p. 471-494.

Gomberg, J., Blanpied, M.L., and Beeler, N.M., 1997, Transient triggering of near and distant earthquakes: Bulletin of the Seismological Society of America, v. 87, p. 294-309. Download

Kilb, D., Ellis, M., and Gomberg, J., 1997, On the origin of diverse aftershock mechanisms following the 1989 Loma Prieta earthquake: Geophysical Journal International, v. 128, p. 557-570.

Singh, S.K., Santoyo, M., Bodin, P., and Gomberg, J., 1997, Dynamic deformations of shallow sediments in the Valley of Mexico, Part II: Single station estimates: Bulletin of the Seismological Society of America, v. 87, p. 540-550.

1996

Gomberg, J., 1996, Stress/strain changes and triggered seismicity following the Ms7.4 Landers, California earthquake: Journal of Geophysical Research, v. 101, p. 751-764.

Gomberg, J. and Agnew, D.C., 1996, The accuracy of seismic estimates of dynamic strains from Pinyon Flat Observatory, California, strainmeter and seismograph data: Bulletin of the Seismological Society of America, v. 86, p. 212-220. Download

Gomberg, J., Bodin, P., Hellman, S., and Pratusevich, G., 1996, Aftershock Readiness Training Goes Big in Memphis: Seismological Research Letters, v. 67, p. 40-41.

Gomberg, J., Bodin, P., Hellman, S., and Pratusevich, G., 1996, PASSCAL Training Goes Big in Memphis: IRIS Newsletter, v. 15, p. 10-11.

Gomberg, J., Bodin, P., Savage, W., and Jackson, M., 1996, Slidequakes and fault creep at the Slumgullion landslide: an analog to crustal tectonics in The Slumgullion Earth flow: A Large Scale Natural Laboratory, U.S. Geological Survey Bulletin B2130, p. 85-92.

Gomberg, J., and Davis, S., 1996, Stress/strain changes and triggered seismicity at The Geysers, California: Journal of Geophysical Research, v. 101, p. 733-749.

1995

Bodin, P. and Gomberg, J., 1995, Earthquake hazard - Correspondence, Nature, v. 374, p. 492.

Gomberg, J., 1995, Earthquake induced seismicity: Evidence from the Ms7.4 Landers, earthquake and The Geysers geothermal field, California in "Earthquakes Induced by Underground Nuclear Explosions: Environmental and Ecological Problems", eds. R. Console and A. Nikolaev, Publ. Springer-Verlag, Berlin, p. 201-214.

Gomberg, J.S., 1995, Seismic networks: the basics of why, how, and what we learn from them, in Instituto Geografico Nacional de Espana Volume, in Redes Sísmicas Regionales, Instituto Geografico Nacional Monografia Núm. 11, ed. J. Mezcua, p.9-62.

Gomberg, J., Bodin, P., Savage, W., and Jackson, M., 1995, The Slumgullion earthflow, Colorado: A useful analog to crustal tectonics, Geology, v. 23, p. 41-44. Download

Gomberg, J. and Schweig, E.S., "The Mississippi Valley -Whole Lotta Shakin' Going On", USGS Fact Sheet 168-95, 2 p.

Meremonte, M., Gomberg, J., Cranswick, E., 1995, Constraints on the June 29, 1992 Little Skull Mountain, Nevada earthquake sequence provided by robust hypocenter estimates: Bulletin of the Seismological Society of America, v. 85, p. 1039-1049.

1994

Bodin, P., Bilham, R., Behr, J., Gomberg, J., and Hudnut, K., 1994, Slip Triggered on southern California faults by the Landers earthquake sequence: Bulletin of the Seismological Society of America, v. 84, p. 806-816.

Bodin, P. and Gomberg, J., 1994, Triggered seismicity and deformation between the Landers, California, and Little Skull Mountain, Nevada, earthquakes: Bulletin of the Seismological Society of America, v. 84, p. 835-843.

Gomberg, J. and Bodin, P. 1994, Triggering of the Little Skull Mountain, Nevada earthquake with dynamic strains: Bulletin of the Seismological Society of America, v. 84, p. 844-853.

Gomberg, J.S., and Ellis, M.A., 1994, Topography and tectonics of the central New Madrid Seismic zone: results of numerical experiments using a three-dimensional boundary-element program: Journal of Geophysical Research, v. 99, p. 20299-20310.

1993

Gomberg, J.S., and M.A. Ellis, 1993, 3D-DEF: A user's manual, U.S. Geological Survey Open-file Report 93-547, 22 p.

Hill, D., Reasenberg, P., Michael, A., Simpson, R., Brune, J., DePolo, D., Smith, R., Nava, S., Gomberg, J., Beroza, G., Arabasz, W., Walter, S., Johnston, M., Jones, L., Ellsworth, W., and Zollweg, J., 1993, Remote seismicity triggered by the M7.5 Landers, California earthquake of June 28, 1992: Science, v. 260, p. 1617-1623.

Meremonte, M., Cranswick, E., Gomberg, J., and the U.S.G.S. Little Skull Mountain Aftershock Investigation Team, 1993, Report on Seismologic Field Investigations of the 29 June 1992 Little Skull Mountain Earthquake: U.S. Geological Survey Open-file Report 93-555, 95 p..

King, G.C.P., Tselentis, A., Gomberg, J., Molnar, P., Roecker, S.W., Sinvhal, H., Soufleris, C., and Stock, J., 1983, Micro-earthquake seismicity and active tectonics in northwestern Greece: Earth and Planetary Science Letters, v. 66.

1992

Gomberg, J.S., 1992, Tectonic deformation in the New Madrid seismic zone--Inferences from boundary element modeling: Seismological Research Letters, v. 63, p. 407-426.

Gomberg, J.S., 1992, Reply to Comment on "Seismicity and detection/location threshold in the Southern Great Basin Seismic Network" by Joan Gomberg: Journal of Geophysical Research, v. 97, p. 15363-15364.

Gomberg, J.S., 1992, Tectonic deformation in the New Madrid seismic zone: Inferences from map-view and cross-sectional boundary element models: Journal of Geophysical Research, v. 98, p. 6639-6664.

Gomberg, J.S., 1992, Correction to "Seismicity and shear strain in the Southern Great Basin of Nevada and California" by Joan Gomberg: Journal of Geophysical Research, v. 97, p. 4473-4476.

1991

Gomberg, J.S., ed., 1991, U.S. Geological Survey Committee for the Advancement of Science in the Yucca Mountain Project Symposium on "Fractures, Hydrology, and Yucca Mountain"--Abstrs. and Summary: U.S. Geological Survey Open-File Report 91-125, 39 p.

Gomberg, J.S., 1991, Seismicity and shear strain in the Southern Great Basin of Nevada and California: Journal of Geophysical Research, v. 96, p. 16,383-16,400.

Gomberg, J.S., 1991, Seismicity and detection/location threshold in the Southern Great Basin Seismic Network: Journal of Geophysical Research, v. 96, p. 16,401-16,414.

Harmsen, S., Gomberg, J.S., and Richards, P.G., 1991, Shallow seismicity following selected nuclear explosions at the Nevada test Site: Proceedings of the 13th Annual PL/DARPA Seismic Research Symposium, p. 237-240.
Gomberg, J., Bodin, P., and Martinov. V., 1988, Seismic system calibration using cross-spectral methods from in situ measurements--the Kazakh, USSR, Phase I array: Seismological Society of America Bulletin, v. 78, p. 1380-1386.

1990

Gomberg, J., Shedlock, K., and Roecker, S., 1990, The effect of S wave arrival times on the accuracy of hypocenter estimation: Seismological Society of America Bulletin, v. 80, p. 1605-1628. Download

1989

Gomberg, J., 1989, Seismic network configuration, earthquake hypocenter determination; a re-evaluation and new approaches to old problems: US Geological Survey Retreat on Earth-Science Studies for the Yucca Mountain Project.

Gomberg, J., Priestley, K., and Brune, J., 1989, The compressional velocity structure of the crust and upper mantle of northern Mexico and the border region: Seismological Society of America Bulletin, v. 79, p. 1496-1519.

1988

Gomberg, J., and Masters, T.G., 1988, Waveform modeling using locked-mode synthetic and differential seismograms--application to determination of the structure of Mexico: Geophysical Journal of the Royal Astronomical Society, v. 94, p. 193-218.

Gomberg, J., Priestley, K., Masters, T.G., and Brune, J., 1988, The structure of the crust and upper mantle of northern Mexico: Geophysical Journal of the Royal Astronomical Society, v. 94, p. 1-20.

Practical Guide to Earthquakes

Subduction Zone Observatory Seminar

Last Modified : 08/20/2007