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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 Jan 20 15:00:03 PST 2020
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
 2.2 2020/01/19 03:54:52 37.831N 122.227W  6.1    1 km ( 1 mi) NNE of Piedmont, CA
 1.0 2020/01/16 18:53:52 37.328N 122.265W  6.1    7 km ( 4 mi) SSW of Portola Valley, CA
 2.6 2020/01/14 23:00:37 37.942N 122.313W  6.7    0 km ( 0 mi) S   of East Richmond Heights, CA
 2.4 2020/01/14 14:46:35 37.928N 122.121W 11.5    5 km ( 3 mi) N   of Lafayette, CA
 1.7 2020/01/14 14:38:49 37.925N 122.124W 10.9    4 km ( 3 mi) N   of Lafayette, CA
 1.3 2020/01/14 10:56:32 37.925N 122.122W 11.1    4 km ( 3 mi) N   of Lafayette, CA
 1.3 2020/01/14 10:51:36 37.925N 122.124W 11.0    4 km ( 3 mi) N   of Lafayette, CA
 2.1 2020/01/13 20:00:20 37.299N 122.094W  7.2    6 km ( 4 mi) S   of Loyola, CA
 0.9 2020/01/13 18:37:18 37.301N 122.053W 10.9    3 km ( 2 mi) SW  of Cupertino, CA

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Long Valley || Los Angeles || San Francisco Index map || big earthquake list || all earthquake list || glossary of terms ||

Data Sources

US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)



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