The CyberShake Project: Better Seismic Hazard Information for Engineers
In earthquake country, safe buildings start with good science. The ground beneath our feet is complex, capable of earthquakes big and small – but to know exactly how the ground can move is...
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The 2017 UseIT Internship: Navigating "Wicked Problems"
The southern segment of the San Andreas fault has not generated a large earthquake since the 1857 M7.9 Fort Tejon earthquake, a 360 km (225 miles) rupture of the fault from Parkfield down to...
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New SRL Article Published: A "Synoptic View" of UCERF3
Probabilistic forecasting of earthquake‐producing fault ruptures informs all major decisions aimed at reducing seismic risk and improving earthquake resilience. Earthquake forecasting models rely...
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Uncovering Tsunamigenic Earthquakes Affecting Southern California
How well do we understand local-source tsunami hazards in Southern California? That was the question of the night at a town hall in Ventura during California’s Tsunami Preparedness Week (March 27 -...
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Earthquake Imaging: Smartphones, Drones, Lasers, and Radars
Every ad for a cellphone includes a plug about its camera. We want the images we take to have depth, beauty, and quality – achieved with a simpler technique. And we especially want better ...
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Recent Publications

Seasonal water storage, stress modulation, and California seismicity Johnson, C. W., Fu, Y., & Bürgmann, R.
Absence of remote earthquake triggering within the Coso and Salton Sea geothermal production fields Zhang, Q., Lin, G., Zhan, Z., Chen, X., Qin, Y., & Wdowinski, S.
Application of an improved spectral decomposition method to examine earthquake source scaling in southern California Trugman, D. T., & Shearer, P. M.
Absence of remote earthquake triggering within the Coso and Salton Sea geothermal production fields Zhang, Q., Lin, G., Zhan, Z., Chen, X., Qin, Y., & Wdowinski, S.
A Synoptic View of the Third Uniform California Earthquake Rupture Forecast (UCERF3) Field, E. H., Jordan, T. H., Page, M. T., Milner, K. R., Shaw, B. E., Dawson, T., Biasi, G. P., Parsons, T., Hardebeck, J. L., Michael, A. J., Weldon, R. J., Powers, P. M., Johnson, K. M., Zeng, Y., Bird, P., Felzer, K. R., van der Elst, N. J., Madden, C., Arrowsmith, R., Werner, M. J., Thatcher, W. R., & Jackson, D. D.

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In The News

M 7.1 Earthquake - 5km ENE of Raboso, Mexico
The September 19, 2017, M 7.1 earthquake in Central Mexico occurred as the result of normal faulting at a depth of...
Seismologists hope to create earthquake forecasts for California, using small temblors to warn of big ones
One day, next to the traffic map and weather forecast on your smartphone, seismologist Thomas H. Jordan envisions an...
USGS Details: Magnitude 8.1 Earthquake in Mexico
Visit the USGS event page for more information. For estimates of casualties and damage, visit the USGS Prompt...
The SCEC Unified Community Velocity Model Software Framework
Read the recent entry in SRL written by SCEC CME developers and IT Architect Phil Maechling. | Realistic velocity...
Powerful Quake Rocks Southern Mexico Coast; At Least 32 Die
One of the most powerful earthquakes ever recorded in Mexico struck off the country's southern coast, toppling hundreds...

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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: