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Update time = Wed May 8 14:00:01 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

 2.7  2013/05/08 06:30:03 40.221N 121.344W  8.8   13 km ( 8 mi) SW  of Chester, CA
 2.0  2013/05/07 03:47:16 39.000N 120.177W 10.7   18 km (11 mi) WNW of South Lake Tahoe, CA
 2.2  2013/05/06 21:28:24 40.024N 121.038W  8.9   12 km ( 8 mi) NW  of Quincy, CA
 1.7  2013/05/06 20:41:15 39.005N 120.179W 10.5   19 km (12 mi) WNW of South Lake Tahoe, CA
 1.1  2013/05/06 11:46:01 39.871N 120.686W  5.1   20 km (12 mi) WNW of Portola, CA
 0.7  2013/05/05 14:18:56 40.449N 121.551W  4.3   13 km ( 8 mi) SE  of Viola, CA
 0.4  2013/05/05 14:16:42 40.452N 121.549W  4.2   13 km ( 8 mi) SE  of Viola, CA
 0.3  2013/05/05 14:16:20 40.449N 121.553W  4.7   13 km ( 8 mi) SE  of Viola, CA
 2.2  2013/05/04 13:10:08 39.571N 121.975W 15.3   17 km (11 mi) WSW of Durham, CA
 1.0  2013/05/04 03:59:18 39.884N 120.632W  8.7   16 km (10 mi) WNW of Portola, CA
 1.3  2013/05/02 07:01:26 40.745N 121.469W 19.1   22 km (14 mi) SE  of Burney, CA
 0.4  2013/05/02 06:13:02 39.713N 120.185W 12.9    6 km ( 4 mi) NE  of Loyalton, CA
 0.5  2013/05/02 02:21:03 39.623N 120.004W  6.3   19 km (12 mi) WNW of Reno, NV

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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)