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Maps are updated within about 5 minutes of an earthquake or once an hour.
Brown lines represent known hazardous faults or fault zones. White lines are roads.
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Update time = Mon May 12 4:00:04 PDT 2008
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

 1.4  2008/05/12 02:58:02 37.827N 121.959W  6.1    4 km ( 2 mi) E   of Danville, CA
 1.4  2008/05/11 13:06:47 37.458N 121.771W  6.6   12 km ( 8 mi) ENE of Milpitas, CA
 1.5  2008/05/10 23:16:16 37.248N 121.635W  2.7   13 km ( 8 mi) N   of Morgan Hill, CA
 1.6  2008/05/10 10:03:44 37.713N 121.943W  2.8    1 km ( 1 mi) NNW of Dublin, CA
 1.9  2008/05/10 07:58:55 37.351N 121.714W  8.3   16 km (10 mi) E   of San Jose City Hall, CA
 2.0  2008/05/10 06:47:02 37.173N 121.987W  6.1    6 km ( 4 mi) SSW of Los Gatos, CA
 1.2  2008/05/09 11:54:55 37.308N 121.597W  7.2   20 km (13 mi) NNE of Morgan Hill, CA
 1.2  2008/05/08 09:23:20 37.273N 121.651W  2.3   16 km (10 mi) N   of Morgan Hill, CA
 1.8  2008/05/07 04:34:01 37.811N 121.941W  7.9    5 km ( 3 mi) NE  of San Ramon, CA
 1.6  2008/05/07 00:12:13 37.809N 121.936W  7.5    5 km ( 3 mi) NE  of San Ramon, 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)