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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 = Sun Sep 22 1:00:00 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

 -0.2 2019/09/21 18:28:01 36.849N 115.917W  0.4   72 km (45 mi) N   of Pahrump, NV
 1.5 2019/09/21 05:10:09 35.649N 115.818W 15.7   39 km (24 mi) W   of Primm, NV
 -0.1 2019/09/21 02:42:36 36.795N 115.895W 12.6   66 km (41 mi) N   of Pahrump, NV
 -0.3 2019/09/20 23:28:51 36.745N 115.928W  6.4   60 km (37 mi) N   of Pahrump, NV
 0.7 2019/09/19 22:57:24 36.729N 115.910W  6.1   59 km (36 mi) N   of Pahrump, NV
 -0.1 2019/09/19 07:44:05 36.729N 115.899W  5.8   59 km (37 mi) N   of Pahrump, NV
 0.3 2019/09/18 08:40:23 36.842N 115.819W  0.0   73 km (45 mi) NNE of Pahrump, NV
 0.4 2019/09/18 07:32:18 36.760N 115.756W  6.4   65 km (41 mi) NNE of Pahrump, NV
 -0.4 2019/09/18 07:31:35 36.760N 115.764W  7.5   65 km (41 mi) NNE of Pahrump, NV
 0.3 2019/09/18 07:29:57 36.734N 115.769W 12.3   62 km (39 mi) NNE of Pahrump, NV

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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)