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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 = Wed Sep 18 5:00:02 PDT 2019
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 2019/09/15 23:26:44 34.965N 119.647W 11.1   25 km (15 mi) WSW of Maricopa, CA
 1.4 2019/09/15 10:43:13 34.909N 119.037W 10.8   10 km ( 6 mi) WSW of Grapevine, CA
 1.2 2019/09/15 08:20:28 34.480N 119.091W -0.4   14 km ( 9 mi) NNW of Santa Paula, CA
 1.2 2019/09/15 03:58:06 33.987N 118.233W 14.3    1 km ( 1 mi) NW  of Huntington Park, CA
 3.5 2019/09/14 02:48:39 33.546N 118.172W 11.7   23 km (14 mi) SSW of Seal Beach, CA
 1.2 2019/09/14 01:43:22 33.932N 118.018W 16.4    2 km ( 1 mi) NNW of La Mirada, CA
 1.7 2019/09/11 11:50:56 34.794N 118.959W 12.1    3 km ( 2 mi) SSW of Frazier Park, 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)