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Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Wed May 8 14:05:54 PDT 2013
Here are the earthquakes appearing on this map, most recent at top ...

 MAG    DATE    LOCAL-TIME  LAT     LON    DEPTH    LOCATION
        y/m/d     h:m:s     deg     deg     km

 2.5  2013/05/06 06:57:44 40.825N 124.625W  3.3   39 km (24 mi) W   of Eureka, CA
 2.4  2013/05/02 17:20:34 40.282N 124.439W 13.7    7 km ( 4 mi) WNW of Punta Gorda, CA
 2.0  2013/05/02 15:27:16 40.319N 124.421W  7.7    8 km ( 5 mi) NW  of Punta Gorda, CA
 1.4  2013/05/02 13:54:23 40.295N 124.350W  8.5    4 km ( 2 mi) NNE of Punta Gorda, CA
 1.6  2013/05/02 02:52:04 40.305N 124.350W  7.8    5 km ( 3 mi) NNE of Punta Gorda, CA
 2.5  2013/05/01 21:19:37 40.296N 124.376W  8.7    4 km ( 3 mi) NNW of Punta Gorda, CA
 2.5  2013/05/01 17:30:48 40.297N 124.388W  9.1    4 km ( 3 mi) NNW of Punta Gorda, CA
 1.9  2013/05/01 17:02:15 40.300N 124.355W  7.9    4 km ( 3 mi) N   of Punta Gorda, CA

Special maps:
Long Valley || Los Angeles || San Francisco Index map || big earthquake list || all earthquake list || glossary of terms ||

Data Sources

Northern California - USGS = U.S. Geological Survey, Menlo Park
Northern California - UCB = University of California, Berkeley
Southern California - USGS = U.S. Geological Survey, Pasadena
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
US and World - USGS/NEIC = National Earthquake Information Center
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)