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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 Aug 22 1:00:03 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
 0.7 2018/08/21 23:00:36 36.251N 120.804W  7.7   29 km (18 mi) E   of King City, CA
 1.7 2018/08/20 20:15:25 36.356N 120.934W  3.5   24 km (15 mi) NE  of King City, CA
 1.1 2018/08/19 09:25:37 36.015N 120.573W  4.0   18 km (11 mi) NW  of Parkfield, CA
 1.4 2018/08/19 02:03:18 37.485N 119.011W  2.7   17 km (11 mi) S   of Mammoth Lakes, CA
 0.6 2018/08/18 21:02:33 37.491N 119.025W  2.0   17 km (10 mi) SSW of Mammoth Lakes, CA
 2.9 2018/08/18 20:15:14 36.233N 120.801W  8.4   29 km (18 mi) E   of King City, CA
 1.9 2018/08/18 16:17:32 36.199N 120.088W  9.9    1 km ( 1 mi) ESE of Huron, CA
 0.7 2018/08/18 16:16:56 37.485N 119.011W  0.5   17 km (11 mi) S   of Mammoth Lakes, CA
 1.1 2018/08/18 02:23:54 36.072N 120.648W  2.9   27 km (17 mi) WSW of Coalinga, CA
 0.6 2018/08/17 21:37:55 36.034N 120.600W  2.4   21 km (13 mi) NW  of Parkfield, CA
 -0.0 2018/08/17 11:27:04 37.640N 119.024W -0.7    4 km ( 2 mi) W   of Mammoth Lakes, CA
 0.7 2018/08/17 09:30:39 37.511N 119.005W  4.7   14 km ( 9 mi) S   of Mammoth Lakes, CA
 0.9 2018/08/17 02:43:16 36.050N 120.627W -0.3   24 km (15 mi) NW  of Parkfield, CA
 1.0 2018/08/16 22:15:46 37.406N 119.011W  2.4   26 km (16 mi) S   of Mammoth Lakes, CA
 0.9 2018/08/16 21:48:13 37.413N 119.031W  8.6   25 km (16 mi) S   of Mammoth Lakes, CA
 0.7 2018/08/16 18:29:25 36.050N 120.617W  3.9   24 km (15 mi) NW  of Parkfield, 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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