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California Geological Survey

Seismic Shaking Hazards in California

Based on the USGS/CGS Probabilistic Seismic Hazards Assessment (PSHA) Model, 2002 (revised April 2003).
10% probability of being exceeded in 50 years.

To determine ground motions enter coordinates below.

CGS is currently in the process of updating the current PSHA application to a more modern model.  Please revisit at a later date.
 

USGS Probabilistic Seismic Hazards Page
CGS Probabilistic Seismic Hazards Page

 

Last edited on May 09, 2013
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