Research Professor of Geophysics

Publications

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2017

Hauksson, E., Z. E., Ross, M.-A. Meier, and L. M. Jones (2017), Evolution of seismicity near the southernmost terminus of the San Andreas Fault: Implications of recent earthquake clusters for earthquake risk in southern California, Geophys. Res. Lett., 44, doi:10.1002/2016GL072026.

Ross, Z. E., E. Hauksson, Y. Ben-Zion (2017), Abundant off-fault seismicity and orthogonal structures in the San Jacinto fault zone., Sci. Adv. 3, doi: e1601946.

Castro, R. R., J. Stock, E. Hauksson, and R. Clayton (2017), Active tectonics in the Gulf of California and seismicity (M>3.0) for the period 2002-2014, Tectonophysics, http://dx.doi.org/10.1016/j.tecto.2017.02.015.

Castro, R. R., J. Stock, R. Clayton, and E. Hauksson (2017), Observations of remotely triggered seismicity in Salton Sea and Coso geothermal regions, southern California, after big (Mw>7.8) teleseismic earthquakes, Geofisica Internacional, in press, Jan. 

Ross, Z. E., H. Kanamori, and E. Hauksson (2017), Anomalously large complete stress drop during the 2016 Mw 5.2 Borrego Springs earthquake constrained by waveform modeling and near-source aftershock deficit, in press; Geophys. Res. Lett., April 2017.

2016

Yannik B., J. F. Clinton, C. Cauzzi, E. Hauksson, K. Jónsdóttir, C. G. Marius, A. Pinar, J. Salichon and E. Sokos (2016), The virtual seismologist in SeisComP3; a new implementation strategy for earthquake early warning algorithms Seismological Res. Letters (April 2016), 87(2A):363-373  doi: 10.1785/0220150235.

Goebel, T. H. W., S.M. Hosseini, F. Cappa, E. Hauksso, J.-P. Ampuero, F. Aminzadeh and J.B. Saleeby (2016), “Wastewater disposal and earthquake swarm activity at the southern end of the Central Valley, California”, Geophys. Res. Letts, 43, 1-8, doi:10.1002/2015GL066948.

Kohler, M. D., A. Massari, T. Heaton, H. Kanamori, E. Hauksson, R. Guy, R. Clayton, J. Bunn, and K. M. Chandy (2016), Downtown Los Angeles 52-story High-Rise and Free-Field Response to an Oil Refinery Explosion, Earthquake Spectra, Volume 32, No. 3, pages 1793–1820,doi: http://dx.doi.org/10.1193/062315EQS101M.

Hauksson, E., J. Andrews, A. Plesch, J. H. Shaw, and D. R. Shelly (2016), The 2015 Earthquake Swarm Near Fillmore, California: Possible Dehydration Event Near the Bottom of the Over-Pressurized Ventura Basin, Seismological, Res. Letters,87 ,4 ,p807-815 , doi: 10.1785/0220160020.

Schuler, J., D. J. Pugh, E. Hauksson, R. S. White, J. M. Stock, and B. Brandsdóttir (2016), Focal mechanisms and size distribution of earthquakes beneath the Krafla central volcano, NE Iceland, J. Geophys. Res. Solid Earth, 121, doi:10.1002/2016JB013213.

Goebel, T. H. W., E. Hauksson, A. Plesch, and J. Shaw (2016), Detecting significant stress drop variations in large micro-earthquakes datasets: A comparison between a convergent step-over in the San Andreas Fault and the Ventura thrust fault system, southern California; Special Volume of Pure and Applied Geophysics; p1420-9136, doi: 10.1007/s00024-016-1326-8.

Castro, R. R., J. Stock, E. Hauksson, and R. Clayton (2016), Source Functions and Path Effects from Earthquakes in the Farallon Transform Fault Region, Gulf of California, Mexico that Occurred on October 2013; Special Volume of Pure and Applied Geophysics; p 1420-9136, doi: 0.1007/s00024-016-1346-4

2015

Goebel, T. H. W., E. Hauksson, F. Aminzadeh, and J.-P. Ampuero (2015), An objective method for the assessment of possibly fluid-injection induced seismicity in tectonically active regions in central California, J. Geophys. Res., 120, 1-20, doi:10.1002/2015JB011895.

Goebel, T. H. W., E. Hauksson, P. M. Shearer, and J. P. Ampuero, Stress-drop heterogeneity within tectonically complex regions: A case study of the San Gorgonio Pass, southern California, Geophys. J. Int. (2015) 202, 514–528 doi: 10.1093/gji/ggv160

Hauksson, E., T. Goebel, and J.-P. Ampuero, Cochran, E., A century of oilfield operations and earthquakes in the greater Los Angeles basin, southern California, The Leading Edge (SEG), 650-656, doi: 10.1190/tle34060650.1.

Shaw, J. H., A. Plesch, C. Tape, M. P. Suess, T. Jordan, G. Ely, E. Hauksson, J. Tromp, T. Tanimoto, R. Graves, K. Olsen, C. Nicholson, P. Maechling, C. Rivero, P. Lovely, C. M. Brankman, and J. Munster, Unified Structural Representation of the southern California crust and upper mantle, Earth and Planetary Science Letters, doi: 10.1016/j.epsl.2015.01.016

2014

Unruh, J. E. Hauksson, and C. H. Jones, Internal deformation of the southern Sierra Nevada microplate associated with foundering lower lithosphere, California, Geosphere; February 2014; v. 10; no. 1; p. 107–128; doi:10.1130/GES00936.1.
 
Hauksson, E., H. Kanamori, J. Stock, M.-H. Cormier, and M. Legg, Active Pacific North America plate boundary tectonics as evidenced by seismicity in the oceanic lithosphere offshore Baja California, Mexico, Geophys. J. Int. (March, 2014) 196 (3): 1619-1630 doi:10.1093/gji/ggt467

Hauksson, E. (2014), Average Stress Drops of Southern California Earthquakes in the Context of Crustal Geophysics: Implications for Fault Zone Healing, Pure Appl. Geophys., 1–12, doi:10.1007/s00024-014-0934-4.

Hauksson, E., Average Stress Drops of Southern California Earthquakes in the Context of Crustal Geophysics: Implications for Fault Zone Healing, Special Pageoph volumes I and II on processes and properties of fault zones; in review, Edited by A. Rovelli and Y. Ben-Zion; March 2014.

Hauksson, E., H. Kanamori, J. Stock, M.-H. Cormier, and M. Legg, Active Pacific North America plate boundary tectonics as evidenced by seismicity in the oceanic lithosphere offshore Baja California, Mexico, Geophys. J. Int. (March, 2014) 196 (3): 1619-1630 doi:10.1093/gji/ggt467.

Goebel, T. H. W., E. Hauksson, P. M. Shearer, and J. P. Ampuero, Stress drop heterogeneity within tectonically complex regions: A case study of the San Gorgonio Pass, southern California, in review EPSL, July 2014.

Shaw, J. H., A. Plesch, C. Tape, M. P. Suess, T. Jordan, G. Ely, E.Hauksson, J. Tromp, T. Tanimoto, R. Graves, K. Olsen, C. Nicholson, P. Maechling, C. Rivero, P. Lovely, C. M. Brankman, and J. Munster, Unified Structural Representation of the southern California crust and upper mantle, submitted to EPSL, July 2014. 

Unruh, J. E. Hauksson, and C. H. Jones, Internal deformation of the southern Sierra Nevada microplate associated with foundering lower lithosphere, California, Geosphere; February 2014; v. 10; no. 1; p. 107–128; doi:10.1130/GES00936.1.

 

2013

Hauksson, E., J. Stock, R. Bilham, M. Boese, X. Chen, E. J. Fielding, J. Galetzka, K. W. Hudnut, K. Hutton, L. M. Jones, H. Kanamori, P. M. Shearer, J. Steidl, J. Treiman, S. Wei, and Wenzheng Yang (2013) Report on the August 2012 Brawley Earthquake Swarm in Imperial Valley, Southern California Seismological Research Letters, March/April 2013, v. 84, p. 177-189, doi:10.1785/0220120169

Böse, M., Allen, R., Brown, H., Cua, G., Fischer, M., Hauksson, E., Heaton, T., Hellweg, M., Liukis, M., Neuhauser, D., Maechling, P. & CISN EEW Group, 2013: CISN ShakeAlert: An Earthquake Early Warning Demonstration System for California, in: F. Wenzel and J. Zschau(eds.) Early Warning for Geological Disasters - Scientific Methods and Current Practice; ISBN: 978-3-642-12232-3, Springer Berlin Heidelberg New York.

Yang, W. and E. Hauksson, The tectonic crustal stress field and style of faulting along the Pacific North America Plate boundary in Southern California, Geophys. J. Int. (July, 2013) 194 (1): 100-117 first published online April 22, 2013 doi:10.1093/gji/ggt113.

2012

Yang, W., E. Hauksson, and P. Shearer, Computing a large refined catalog of focal mechanisms for southern California (1981 – 2010): Temporal Stability of the Style of Faulting, Bull. Seismol. Soc. Am., June 2012, v. 102, p. 1179-1194, doi:10.1785/0120110311.

Böse, M., T. Heaton, and E. Hauksson, Rapid Estimation of Earthquake Source and Ground‐Motion Parameters for Earthquake Early Warning Using Data from a Single Three‐Component Broadband or Strong‐Motion Sensor Bull. Seismol. Soc. Am., April 2012, v. 102, p. 738-750, doi:10.1785/0120110152.

Hauksson, E. and W. Yang, and P. M. Shearer, Waveform Relocated Earthquake Catalog for Southern California (1981 to June 2011); Bull. Seismol. Soc. Am., Vol. 102, No. 5, pp. 2239-2244, October 2012, doi: 10.1785/0120120010.

Shao, G., C. Ji, and E. Hauksson (2012), Rupture process and energy budget of the July 29, 2008 Mw 5.4 Chino Hills, California Earthquake, J. Geophys. Res., 117, B07307, doi:10.1029/2011JB008856.

Böse, M., T.H. Heaton and E. Hauksson, (2012b) Real-time Finite Fault Rupture Detector (FinDer) for Large Earthquakes, Geophys. J. Int., 191(2), 803-812, doi: 10.1111/j.1365-246X.2012.05657.x.

2011

Hauksson, E., J. Stock, K. Hutton, W. Yang, A. Vidal, and H. Kanamori, The 2010 Mw7.2 El Mayor-Cucapah Earthquake Sequence, Baja California, Mexico and Southernmost California, USA: Active Seismotectonics Along the Mexican Pacific Margin, Pure Appl. Geophys Topical Issue: Geodynamics of the Mexican Pacific Margin, Aug. 2011, v. 168, p. 1255-1277, doi: 10.1007/s00024-010-0209-7.

Hauksson, E., Crustal geophysics and seismicity in southern California. Geophysical Journal International, 186: 82–98. DOI: 10.1111/j.1365-246X.2011.05042.x, 2011.

Yang, W. and E. Hauksson, Evidence for Vertical Partitioning of Strike-Slip and Compressional Tectonics From Seismicity, Focal Mechanisms, and Stress Drops in the East Los Angeles Basin Area, California, Bull. Seismol. Soc. Am., v. 10, no. 3, p. 964-974; DOI: 10.1785/0120100216, 2011.

Uhrhammer, R. A., M. Hellweg, K. Hutton, P. Lombard, A. W. Walters, E. Hauksson and D. Oppenheimer, California Integrated Seismic Network (CISN) Local Magnitude Determination in California and Vicinity, Bull. Seismol. Soc. Am., v. 101, no. 1, p. 427-432; doi: 10.1785/0120100136, 2011.

Wei, S., E. Fielding , S. Leprince, A. Sladen, J.-P. Avouac, D. Helmberger, E. Hauksson, R. Chu, M. Simons, K. Hudnut, T. Herring, and R. Briggs, Superficial simplicity of the 2010 El Mayor-Cucapah earthquake of Baja California in Mexico, Nature Geoscience 4, 615–618 (2011) doi: 10.1038/ngeo1213, 2011.

2010

Lin, G., C. H. Thurber, H. Zhang, E. Hauksson, P. M. Shearer, F. Waldhauser, T. M. Brocher, and J. Hardebeck, A California Statewide Three-Dimensional Seismic Velocity Model from Both Absolute and Differential Times, Bull. Seismol. Soc. Am., 100, 1, 225 –240, doi: 10.1785/0120090028, 2010.

Hutton, L. K., J. Woessner, and E. Hauksson, Seventy-Seven Years (1932 – 2009) of Earthquake Monitoring in Southern California, Bull. Seismol. Soc. Am, v. 100; no. 2; p. 423-446; doi: 10.1785/0120090130, 2010.

Tormann, T., S. Wiemer, and E. Hauksson, Changes of Reporting Rates in the Southern Californian Earthquake Catalog, Introduced by a New Definition of ML, Bull. Seismol. Soc. Am., August 2010; v. 100; no. 4; p. 1733-1742; doi: 10.1785/0120090124, 2010.

Hauksson, E., Spatial Separation of Large Earthquakes, Aftershocks, and Background Seismicity: Analysis of Interseismic and Coseismic Seismicity Patterns in Southern California, Special Frank Evison Issue of Pure Appl. Geophys, doi: 10.1007/s00024-010-0083-3, 2010.

Holzer, T. L., A. S. Jayko, E. Hauksson, J. P. B. Fletcher, T. E. Noce, M. J. Bennett, C. M. Dietel, and K. W. Hudnut,, Liquefaction caused by the 2009 Olancha, California (USA), M5.2 earthquake, Engineering Geology, doi:10.1016/j.physletb.2003.10.071, 2010.

Luo Y., Y. Tan, S.Wei, D. Helmberger, Z. Zhan, S. Ni, E. Hauksson, and Y. Chen, Source Mechanism and Rupture Directivity of the May 18, 2009 Mw4.6 Inglewood, California Earthquake, Bull. Seismol. Soc. Am., v. 100; no. 6; p. 3269-3277; doi: 10.1785/0120100087, 2010.

2009

Bӧse, M., E. Hauksson, K. Solanki, H. Kanamori, and T. H. Heaton, Real-time Testing of the On-site Warning Algorithm in Southern California and its Performance During the July 29 2008 Mw5.4 Chino Hills Earthquake, Geoph. Res. Letters, 36, L00B03, doi:10.1029/2008GL036366, 2009.

Bӧse, M., E. Hauksson, K. Solanki, H. Kanamori, Y.-M. Wu, and T. H. Heaton, A New Trigger Criterion for Improved Real-Time Performance of On-site Earthquake Early Warning in Southern California, Bull. Seismol. Soc. Am., 99, 897-905, 2009, doi: 10.1785/0120080034.

Unruh, J. and E. Hauksson, Seismotectonics of an Evolving Intracontinental Plate Boundary, Southeastern California Geological Society of America Special Papers 2009, 447, p. 351-372, doi:10.1130/2009.2447(16), 2009.

2008

Allmann, B. P., P. M. Shearer, and E. Hauksson, Spectral Discrimination Between Quarry Blasts and Earthquakes in Southern California, Bull. Seismol. Soc. Am., 98, 2073-2079, 2008, doi: 10.1785/0120070215

Lin, G., P. Shearer, and E. Hauksson, A Search for Temporal Variations in Station Terms in Southern California from 1984 to 2002, Bull. Seismol. Soc. of Am., 98: 2118 – 2132, doi: 10.1785/0120070243, 2008.

Hauksson, E., K. Felzer, D. Given, M. Giveon, S. Hough, K. Hutton, H. Kanamori, V. Sevilgen, S. Wei, and A. Yong, Preliminary Report on the 29 July 2008 Mw5.4 Chino Hills, Eastern Los Angeles Basin, California, Earthquake Sequence, Seismol. Res. Letters, 79, p. 855- 868, doi: 10.1785/gssrl.79.6.855, 2008.

2007

Hauksson, E., and J. Unruh, Regional tectonics of the Coso geothermal area along the intracontinental plate boundary in central eastern California: Three-dimensional Vp and Vp/Vs models, spatial-temporal seismicity patterns, and seismogenic deformation, J. Geophys. Res., 112, B06309, doi: 10.1029/2006JB004721, 2007.

Wu, Y.-M., H. Kanamori, R. M. Allen, E. Hauksson, Determination of earthquake early warning parameters, τc and Pd, for southern California, Geophys. J. Int. (Online Early Articles). doi:10.1111/j.1365-246X.2007.03430.x, 2007.

Lin G., P. M. Shearer, E. Hauksson, Applying a three-dimensional velocity model, waveform cross correlation, and cluster analysis to locate southern California seismicity from 1981 to 2005, J. Geophys. Res., 112, B12309, doi: 10.1029/2007JB004986, 2007.

Lin, G., P. M. Shearer, E. Hauksson, and C. H. Thurber, A three-dimensional crustal seismic velocity model for southern California from a composite event method, J. Geophys. Res., 112, B11306, doi: 10.1029/2007JB004977, 2007.

Plesch, A., J. H. Shaw, C. Benson, W. A .Bryant, S. Carena, M. Cooke, J. Dolan, G. Fuis, E. Gath, L. Grant, E. Hauksson, and others, Community Fault Model (CFM) for Southern California, Bull. Seismol. Soc. Am., 97, 1793-1802, doi: 10.1785/0120050211, 2007.

2006

Hauksson, E. and P. Shearer, Attenuation Models (QP and QS) in Three-Dimensions of the Southern California Crust: Inferred Fluid-Saturation At Seismogenic Depths, J. Geophys. Res., 111, B05302, doi: 10.1029/2005JB003947, 2006.

Shearer, P. M., G. A. Prieto, and E. Hauksson, Comprehensive analysis of earthquake source spectra in southern California, J. Geophys. Res., 111, B06303, doi: 10.1029/ 2005JB003979, 2006.

Chi, W.-C. and E. Hauksson, Fault-Perpendicular Aftershock Clusters Following the 2003 Mw=5.0 Big Bear, California, Earthquake, Geophys. Res. Lett., 33, L07301, doi: 10.1029/2005GL025033, 2006.

Hutton, K., E. Hauksson, J. Clinton, J. Franck, A. Guarino, N. Scheckel, D. Given and A. Yong, Southern California Seismic Network Update, Seism Res. Lett., 77, 389-404, 2006.

Clinton, J. F., E. Hauksson, and K. Solanki, An evaluation of the SCSN moment tensor solutions: Robustness of the MW magnitude scale, style of faulting, and automation of the method, Bull. Seismol. Soc. Am., 96(5), doi: 10.1785/0120050241, 2006.

2005

Hauksson, E. and P. Shearer, Southern California Hypocenter Relocation with Waveform Cross-Correlation: Part 1. Results Using the Double-Difference Method, Bull. Seismol. Soc. Am., 95, 896-903, doi: 10.1785/0120040167, 2005.

Shearer, P., E. Hauksson, and G. Lin, Southern California Hypocenter Relocation with Waveform Cross-Correlation: Part 2. Results Using Source-Specific Station Terms and Cluster Analysis, Bull. Seismol. Soc. Am., 95, 904-915, doi: 10.1785/0120040168, 2005.

Langenheim, V.E., R.C. Jachens J.C. Matti, E. Hauksson, D. M. Morton, and A. Christensen, Geophysical evidence for wedging in the San Gorgonio Pass structural knot, southern San Andreas fault zone, southern California, Geol. Soc. Am. Bulletin;117; no. 11/12,1554-1572; doi: 10.1130/B25760.1, 2005.

2004

Hauksson, E., P. Shearer, and J. Vidale, Converting Advances in Seismology into Earthquake Science, EOS, Transactions, American Geophysical Union, 85, 3-8, doi:10.1029/2004EO010005, 2004.

Woessner, J., E. Hauksson, S. Wiemer, and S. Neukomm, The 1997 Kagoshima (Japan) Earthquake Doublet: A Quantitative Analysis of Aftershock Rate Changes Geophysical Res. Lett., 31, L03605, doi: 10.1029/2003GL018858, 2004.

Nazareth, J. J., and E. Hauksson, The Seismogenic Thickness of the Southern California Crust, Bull. Seismol. Soc. Am., 94, 940-960, doi: 10.1785/0120020129, 2004.

Hauksson, E., D. Oppenheimer, and T. M. Brocher, Imaging the Source Region of the 2003 San Simeon Earthquake within the Weak Franciscan Subduction Complex, Central California, Geophys. Res. Lett., 31, L20607, doi: 10.1029/2004GL021049, 2004.

2003

Fuis, G.S, R.W. Clayton, P.M. Davis, T. Ryberg, W.J. Lutter, D.A. Okaya, E. Hauksson, C. Prodehl, J.M. Murphy, M.L. Benthien, S.A. Baher, M.D. Kohler, K. Thygesen, G. Simila, and G.R. Keller, Fault systems of the 1971 San Fernando and 1994 Northridge earthquakes, southern California: Relocated aftershocks and seismic images from LARSE II, Geology, 31, no.2, 171-174, doi: 10.1130/0091-7613(2003) 031<0171:FSOTSF>2.0.CO;2, 2003.

Liu, J., K. Sieh, and E. Hauksson, A structural interpretation of the aftershock “cloud” of the 1992 Mw7.3 Landers Earthquake, Bull. Seismol. Soc. Am., 93, no. 3, 1333-1344, doi:10.1785/0120020060,2003.

Hauksson, E., L.M. Jones, A. Shakal, TriNet, A Modern Ground Motion Seismic Network, Int’l. Handbook of Earthquake and Engineering Seismology V. 81B: Centennial publication of the Intl’. Assn. Of Seism. and Physics of the Earth’s Interior, P. Jennings, H. Kanamori, and W. Lee (eds), 1275-1284, doi: 10.1016/S0074-6142(03)80192-4, 2003.

2002

Unruh, J.R. , E. Hauksson, F.C. Monastero, R.J. Twiss, and J.C. Lewis, Seismotectonics of the Coso Range–Indian Wells Valley region, California: Transtensional deformation along the southeastern margin of the Sierran microplate, Geology Soc. Am. Memoir 195, doi: 10.1130/0-8137-1195-9.277, 2002.

Hauksson, E., L. M. Jones, S. Perry, K. Hutton, Emerging from the Stress shadow of the 1992 Mw7.3 Landers southern California earthquake?  A preliminary assessment, Seism. Res. Lett., 73, 33-38, doi: 10.1785/gssrl.73.1.33, 2002.

Hauksson, E., L. M. Jones, K. Hutton, The 1999 Mw7.1 Hector Mine, California earthquake sequence: complex conjugate strike-slip faulting, Bull. Seis. Soc. Am., 92, 1154-1170, doi:10.1785/0120000920, 2002.

Wiemer, S., M. Gerstenberger, and E. Hauksson, Properties of the aftershock sequence of the 1999, Mw7.1 Hector Mine earthquake: Implications for aftershock hazard, Bull. Seismol. Soc. Am.,92, 1227-1240, doi:10.1785/0120000914, 2002.

Graizer, V., A. Shakal, C. Scrivner, E. Hauksson, J. Polet, L. Jones, TriNet strong-motion data from the M7.1 Hector Mine, California of October, 16, 1999, Bull. Seismol. Soc. Am., 92, 1525-1542, doi:10.1785/0120000925, 2002.

2001

Hardebeck, J. and E. Hauksson, Stress orientations obtained from earthquake focal mechanisms: What are appropriate uncertainty estimates? Bull. Seismol. Soc. Am., 91, 250-262, doi:10.1785/0120000032, 2001.

Langenheim, V., and E. Hauksson, Comparison between crustal density and velocity variations in southern California, Geophys. Res. Lett., 28, 3087-3090, doi:10.1029/2001GL013392, 2001.

Hauksson, E., P. Small, K. Hafner, R. Busby, R. Clayton, J. Goltz, T. Heaton, K. Hutton, H. Kanamori, J. Polet, D. Given, L. M. Jones, and D. Wald, Southern California Seismic Network: Caltech/USGS Element of TriNet 1997-2001, Seism. Res. Lett., 72, 690-704, doi: 10.1785/gssrl.72.6.690, 2001.

Hardebeck, J.L. and E. Hauksson, Crustal stress field in southern California and its implications for fault mechanics, J. Geophys. Res., 106, 21,859-21,882, doi:10.1029/2001JB000292, 2001.

2000

Hauksson, E., Crustal structure and seismicity distribution adjacent to the Pacific and north America plate boundary in southern California, J. Geophys. Res., 105, 13,875-13,903, doi:10.1029/2000JB900016, 2000.

Scientists from the U.S. Geological Survey, Southern California Earthquake Center, and Calif.Div. of Mines and Geology, Preliminary Report on the 16 October 1999 M 7.1 Hector Mine, California, Earthquake, Seismol. Res. Lett., 71, 11-23, 2000.

 

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