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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 = Tue Jan 28 11:00:04 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

 1.5 2020/01/27 20:43:46 34.088N 118.183W  5.4    4 km ( 2 mi) SSE of Highland Park, CA
 1.3 2020/01/26 21:29:59 34.083N 118.249W 11.5    2 km ( 1 mi) NNE of Echo Park, CA
 1.6 2020/01/26 21:29:43 34.297N 118.471W  5.6    3 km ( 2 mi) WNW of Pacoima, CA
 1.0 2020/01/24 09:54:55 34.442N 119.281W  8.1    4 km ( 2 mi) W   of Ojai, CA
 2.4 2020/01/22 06:37:49 34.296N 118.490W  8.7    3 km ( 2 mi) NNE of Granada Hills, CA
 1.3 2020/01/22 05:30:02 34.279N 118.489W 10.9    1 km ( 1 mi) NE  of Granada Hills, CA
 3.6 2020/01/21 23:41:10 34.300N 118.486W  7.7    4 km ( 2 mi) NNE of Granada Hills, CA

Special maps:
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)