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Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Fri Nov 20 18:00:03 PST 2009
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

 1.0  2009/11/18 18:13:23 39.634N 122.834W  5.5   10 km ( 6 mi) WSW of Alder Springs, CA
 1.3  2009/11/18 18:07:50 39.635N 122.836W  3.5   10 km ( 6 mi) W   of Alder Springs, CA
 1.9  2009/11/18 16:52:39 39.315N 122.841W  9.1   14 km ( 9 mi) SE  of Lake Pillsbury, CA
 1.5  2009/11/18 16:18:48 40.497N 122.235W 16.3    7 km ( 5 mi) NE  of Anderson, CA
 1.8  2009/11/16 05:49:02 39.039N 123.121W  4.6   14 km ( 9 mi) SSE of Ukiah, CA
 1.5  2009/11/16 01:36:11 40.039N 123.750W 15.9   11 km ( 7 mi) SE  of Redway, CA
 1.6  2009/11/15 14:38:39 39.398N 122.904W  8.2    5 km ( 3 mi) ESE of Lake Pillsbury, CA
 1.4  2009/11/14 16:48:21 39.026N 123.071W  1.3   14 km ( 8 mi) W   of Lakeport, 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)