Areas of Interest :
Earthquake hazard
assessment, earthquake interactions, wave propagation, source scaling.
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Related links :
USGS Pacific
Northwest Website
Pacific Northwest Seismic
Network
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Education :
Ph.D. :
Geophysics, University of California, San Diego, 1986
B.Sc. : Geophysics,
Massachusetts Institute of Technology, 1979
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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
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Current Research :
NonVolcanic Tremor,
Aseismic Slip, and Earthquakes
Observational study of dynamically triggered tremor and earthquakes in
Cascadia, most recently in the region of Vancouver Island, British
Columbia. With Ken Creager,Honn Kao, Garry Rogers, Justin
Rubinstein, John Vidale.
Observational study of dynamically triggered tremor in California. With
Paul Bodin, Ken Creager,Zhigang Peng, Justin Rubinstein, John Vidale
Search for tremor associated with aseismic slip events in
California. With Roland Burgmann, Elizabeth Cochran, Justin
Rubinstein, John Vidale
Earthquake Triggering
Probability and Ground-motion Scaling. With Karen Felzer.
Dynamic NonLinearity and
Earthquake Triggering
Laboratory acoustic loading experiments. With Matt Knuth, Paul Johnson,
Chris Marone, Heather Savage
Modeling constrained by in situ and laboratory data. With Xiaoping Jia,
Paul Johnson
Pacific Northwest
ShakeMap Development
Testing of extrapolation of NGA attenuation relations to PNW motions
Comparison of PNW ground motions and intensities
Working group coordination for ShakeMap PNW validation and
enhancement. With Paul Bodin, Renate Hartog, Steve Malone, Tom
Pratt, Bill Steele, David Wald, Craig Weaver, John Vidale and partners
Ivan Wong, Doug Bausch
Development of 'SeisSim' Numerical Earthquake Simulator. With Sandy
Steacy, John McClosky
Mount Rainier
Characterization of 2006 M4.5 Cowlitz Chimneys earthquake sequence.
With Renate Hartog, Karen Meagher, Seth Moran
Dynamic triggering observations. With Renate Hartog, John Vidale,
Maise
In Situ Non-linear Ground
Motion Measurement using NEES Vibrator Trucks. With Paul Bodin,
Xiaoping Jia, Farn-Yu Meng, Paul Johnson, Zack Lawrence, Fred Pearce
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Selected Publications :
2008
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
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
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.
Full CV Link
:
http://earthweb.ess.washington.edu/gomberg
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Last
Modified : 02/01/2008
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