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Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Tue May 21 8:00:04 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

 2.8  2013/05/18 23:04:49 40.312N 124.409W 22.1    7 km ( 4 mi) NW  of Punta Gorda, CA
 1.6  2013/05/18 22:26:05 40.526N 124.003W 27.3    8 km ( 5 mi) ESE of Hydesville, CA
 1.5  2013/05/18 09:00:51 40.576N 124.401W 13.0   12 km ( 7 mi) W   of Ferndale, CA
 3.8  2013/05/18 08:54:04 40.423N 124.490W 25.1   21 km (13 mi) WNW of Petrolia, CA
 1.2  2013/05/18 08:00:38 40.312N 124.068W  5.1   18 km (11 mi) E   of Petrolia, CA
 2.6  2013/05/18 07:02:31 40.447N 124.502W 26.6   23 km (14 mi) NW  of Petrolia, CA
 4.3  2013/05/18 06:46:08 40.286N 124.460W 23.6    9 km ( 5 mi) WNW of Punta Gorda, CA
 1.7  2013/05/17 03:10:06 40.286N 124.344W 18.6    3 km ( 2 mi) NNE of Punta Gorda, CA
 2.0  2013/05/15 13:37:08 40.304N 124.489W 28.4   12 km ( 7 mi) WNW of Punta Gorda, CA

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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)