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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. psha12339 psha12338 psha12236 psha12239 psha12238 psha12237 psha12139 psha12440 psha12340 psha12240 psha12140 psha12138 psha12137 psha12136 psha12039 psha12241 psha12442 psha12441 psha12342 psha12341 psha12242 psha12142 psha12141 psha12042 psha12041 psha12040 psha12135 psha11834 psha12036 psha12035 psha12034 psha11935 psha11934 psha12038 psha12037 psha11938 psha11937 psha11838 psha11837 psha11737 psha11833 psha11936 psha11835 psha11734 psha11836 psha11736 psha11735 psha11733 psha11635 psha11634 psha11633 psha11534 psha11535 psha11533 psha11636

To obtain seismic shaking hazard values for a point,
click anywhere on the map above to zoom into a larger scale map
or enter geographic coordinates below:

Longitude: Latitude:
Please enter coordinates as Decimal Degrees
Example:   Longitude -122.0017   Latitude 36.9894

USGS Probabilistic Seismic Hazards Page
CGS Probabilistic Seismic Hazards Page

 

Last edited on June 12, 2008
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