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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 = Sat Apr 21 15:00:02 PDT 2018
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 2018/04/21 01:23:05 35.739N 115.310W  3.6   16 km (10 mi) NNE of Primm, NV
 0.7 2018/04/20 11:53:27 34.005N 116.796W 13.5   10 km ( 6 mi) N   of Cabazon, CA
 1.0 2018/04/20 07:26:55 34.006N 116.677W 15.6   10 km ( 6 mi) WSW of Morongo Valley, CA
 2.1 2018/04/20 03:47:44 34.476N 116.503W  2.7   39 km (25 mi) NE  of Big Bear City, CA
 0.4 2018/04/19 12:44:19 35.874N 116.678W  0.0   38 km (24 mi) WSW of Shoshone, CA
 2.1 2018/04/18 11:24:00 35.957N 115.227W  0.0    8 km ( 5 mi) S   of Enterprise, NV
 1.6 2018/04/18 06:00:01 34.693N 116.352W  2.8   18 km (11 mi) W   of Ludlow, CA
 0.8 2018/04/18 05:41:08 34.279N 116.933W  8.6    4 km ( 3 mi) NNW of Big Bear Lake, CA
 1.9 2018/04/17 14:15:26 35.478N 115.529W  0.0   20 km (12 mi) SW  of Primm, NV
 2.2 2018/04/17 12:53:13 35.957N 115.216W  0.0    8 km ( 5 mi) SSE of Enterprise, NV
 2.2 2018/04/17 08:58:28 34.001N 116.794W 16.2    9 km ( 6 mi) N   of Cabazon, CA
 1.3 2018/04/16 17:17:49 34.090N 116.722W 11.0   14 km ( 9 mi) WNW of Morongo Valley, CA
 1.3 2018/04/15 14:20:19 34.146N 116.958W  8.6   12 km ( 7 mi) SSW of Big Bear Lake, CA

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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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