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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 = Fri Mar 22 7:00:03 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
 2.2 2019/03/21 06:56:46 33.815N 117.638W  5.2    9 km ( 6 mi) SW  of Corona, CA
 1.7 2019/03/20 20:11:34 33.965N 118.343W  8.7    1 km ( 1 mi) NNE of Inglewood, CA
 1.9 2019/03/20 19:58:04 33.974N 118.351W 10.5    2 km ( 1 mi) NNW of Inglewood, CA
 0.8 2019/03/20 13:29:24 33.426N 117.033W 12.8    8 km ( 5 mi) NNE of Pala, CA
 1.3 2019/03/20 13:00:42 32.828N 117.038W -0.1    1 km ( 0 mi) WSW of Quarry at CPE-3  (Probable quarry explosion)
 0.8 2019/03/20 12:44:30 33.894N 117.022W 12.2    6 km ( 4 mi) SW  of Beaumont, CA
 1.0 2019/03/20 12:43:57 33.891N 117.026W 12.4    6 km ( 4 mi) SW  of Beaumont, CA
 1.7 2019/03/20 10:15:18 33.855N 117.493W -0.5    1 km ( 1 mi) NE  of Quarry at CORONA  (Probable quarry explosion)
 2.1 2019/03/19 17:34:13 33.714N 118.218W  7.4    7 km ( 5 mi) ESE of San Pedro, CA
 1.4 2019/03/19 13:31:55 33.854N 117.489W -0.5    1 km ( 1 mi) ENE of Quarry at CORONA  (Probable quarry explosion)
 0.9 2019/03/18 19:35:44 33.782N 117.746W 13.5    5 km ( 3 mi) ENE of North Tustin, CA
 1.2 2019/03/17 21:19:15 33.784N 117.746W 12.7    5 km ( 3 mi) ENE of North Tustin, CA
 1.7 2019/03/17 02:28:24 33.981N 117.245W 14.2    6 km ( 4 mi) NNW of Moreno Valley, CA
 2.4 2019/03/16 13:25:31 33.847N 118.466W 12.4    6 km ( 4 mi) WSW of Hermosa Beach, CA
 1.6 2019/03/16 11:28:55 33.781N 117.856W 17.1    3 km ( 2 mi) SW  of Orange, CA
 1.4 2019/03/16 11:28:04 33.786N 117.851W 15.6    3 km ( 2 mi) SW  of Orange, CA
 1.7 2019/03/16 11:10:50 33.782N 117.739W 13.7    5 km ( 3 mi) ENE of North Tustin, CA
 1.1 2019/03/15 13:54:52 33.925N 117.507W -0.5    3 km ( 2 mi) N   of Quarry at GAV  (Probable quarry explosion)

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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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