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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 02:12:40 34.325N 118.457W 11.0    5 km ( 3 mi) NNW of San Fernando, CA
 1.2  2008/05/10 14:40:04 34.685N 119.618W  3.4   30 km (19 mi) NNE of downtown Santa Barbara, CA
 2.8  2008/05/08 21:48:10 33.539N 118.184W 15.7   21 km (13 mi) SSE of Pt. Fermin, San Pedro, CA
 2.3  2008/05/08 09:09:09 33.695N 118.197W 15.9    9 km ( 6 mi) E   of Pt. Fermin, San Pedro, CA
 1.9  2008/05/08 08:48:35 34.957N 119.211W  0.0   25 km (16 mi) WSW of Wheeler Ridge, CA
 1.4  2008/05/08 05:16:32 34.163N 118.524W 11.9    2 km ( 1 mi) W   of Encino, 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)