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Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Fri Sep 3 13:00:08 PDT 2010
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

 1.9  2010/09/03 09:13:48 39.445N 123.102W  5.4   13 km ( 8 mi) WNW of Lake Pillsbury, CA
 1.9  2010/09/03 06:19:38 39.444N 123.103W  5.2   13 km ( 8 mi) WNW of Lake Pillsbury, CA
 1.3  2010/09/02 05:20:08 38.888N 123.003W  5.0    9 km ( 6 mi) N   of Cloverdale, CA
 2.2  2010/08/30 18:43:34 39.239N 123.191W  7.3   10 km ( 6 mi) N   of Ukiah, CA
 1.2  2010/08/29 12:55:00 38.971N 123.024W  6.2   12 km ( 8 mi) SW  of Lakeport, CA
 1.7  2010/08/28 05:26:51 39.839N 123.235W  9.6    5 km ( 3 mi) N   of Covelo, CA
 1.9  2010/08/27 23:23:49 39.558N 123.384W  6.2   17 km (10 mi) N   of Willits, CA
 1.8  2010/08/27 20:15:02 39.221N 123.285W  3.1   10 km ( 6 mi) NW  of Ukiah, 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)