It’s Not Always About “The Big One”: Why We Mine for the Little Ones, Too
What’s a bit new, trendy, and even a little quirky in earthquake science? Mining through extensive earthquake data in clever, innovative ways – especially in search of the "little ones" we never feel...
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A Milestone for Forecasting Earthquake Hazards
Simulating nearly 500,000 years of California earthquakes on a supercomputer, researchers were able to match hazard estimates from the state’s leading statistical model based on a hundred years of...
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A Seismic Change in Predicting How Earthquakes Will Shake Tall Buildings
In their quest to make tall buildings safe during earthquakes, engineers have for decades relied on calculations that represent the tremors and convulsions that a building can endure. Some of the...
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"Shake, Rattle, and Code" - Super Models Find Faults
"These experiments show that the physics-based model RSQSim can replicate the seismic hazard estimates derived from the empirical model, but with far fewer statistical assumptions," noted Jordan...
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Read Cray, Inc.'s Story on SCEC High-Performance Computing Work
Dr. Jordan and his team at the Southern California Earthquake Center (SCEC) are developing methods to simulate how the ground will move in the event of an earthquake. Their research is...
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Recent Publications

Bounding the Moment Deficit Rate on Crustal Faults Using Geodetic Data: Application to Southern California Maurer, J. L., Johnson, K. M., & Segall, P.
How Physics‐Based Earthquake Simulators Might Help Improve Earthquake Forecasts Field, E. H.
Surface Creep Rate of the Southern San Andreas Fault Modulated by Stress Perturbations From Nearby Large Events Xu, X., Ward, L., Jiang, J., Smith-Konter, B. R., Tymofyeyeva, E., Lindsey, E. O., Sylvester, A. G., & Sandwell, D. T.
A case study of a precariously balanced rock, its partially exhumed corestone platform, and encasing saprock and soil Hall, C. M., Webb, H. N., Girty, G. H., Allam, A. A., & Rockwell, T. K.
A physics-based earthquake simulator replicates seismic hazard statistics across California Shaw, B. E., Milner, K. R., Field, E. H., Richards-Dinger, K., Gilchrist, J. J., Dieterich, J. H., & Jordan, T. H.

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In The News

Algorithms spot millions of California’s tiniest quakes in historical data
When it comes to earthquakes, large, destructive ones dominate the headlines. But seismologists have long known that...
Precariously Balanced Rocks Reveal Earthquake History in Israel
Rock formations that look like they could topple at any moment, aptly named “precariously balanced rocks,’’ are...
4 Things to Know About California's Strange Earthquake Drought
What's up in earthquake country? A compelling new report authored by two U.S. Geological Survey (USGS) researchers...
California’s in an exceptional earthquake drought. When will it end?
California is in an earthquake drought. It has been almost five years since the state experienced its last...
California's Tsunami Preparedness Week Set for March 25-29 with Record Number of Participants
California is subject to a tsunami at any time, whether locally generated (in which we may have only minutes to act) or...

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Recent Earthquakes

Earthquakes can happen at any time! See recent earthquakes of magnitude 2.5 or greater in California and Nevada: