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Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Mon May 21 1:00:05 PDT 2012
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

 1.8  2012/05/19 22:59:57 35.531N 119.653W  0.1   37 km (23 mi) ENE of Simmler, CA
 1.4  2012/05/18 04:23:44 35.857N 120.190W 12.5   17 km (11 mi) SSW of Avenal, CA
 1.2  2012/05/18 02:26:25 35.467N 120.774W  5.6   10 km ( 6 mi) WSW of Atascadero, CA
 1.6  2012/05/17 21:22:56 35.106N 120.765W 12.4   12 km ( 8 mi) WSW of Pismo Beach, CA
 2.8  2012/05/17 18:02:13 34.266N 119.497W 11.7   15 km ( 9 mi) S   of Carpinteria, CA
 1.8  2012/05/17 13:54:30 35.471N 120.778W  3.5   10 km ( 6 mi) WSW of Atascadero, CA
 2.2  2012/05/17 11:52:48 35.471N 120.775W  3.2   10 km ( 6 mi) WSW of Atascadero, CA
 2.0  2012/05/17 04:58:58 35.051N 119.148W 19.4   19 km (12 mi) WNW of Wheeler Ridge, CA
 1.0  2012/05/17 03:53:41 35.523N 120.829W  6.5   11 km ( 7 mi) NNE of Cayucos, CA
 2.0  2012/05/16 10:29:06 35.736N 120.284W 10.9   23 km (14 mi) SE  of Parkfield, CA
 0.8  2012/05/16 09:04:12 35.746N 120.297W  9.0   21 km (13 mi) SE  of Parkfield, CA
 0.6  2012/05/14 22:37:55 35.825N 120.374W  6.1   10 km ( 6 mi) SSE of Parkfield, CA
 0.7  2012/05/14 19:17:10 35.535N 120.825W  0.0   11 km ( 7 mi) W   of Templeton, CA

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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)