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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 Dec 9 21:00:03 PST 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
 2.0 2018/12/09 14:52:22 36.510N 121.094W  3.7   23 km (14 mi) ENE of Soledad, CA
 1.4 2018/12/09 12:10:24 35.995N 120.557W  0.8   16 km (10 mi) NW  of Parkfield, CA
 1.5 2018/12/09 07:15:17 35.991N 120.560W  1.8   15 km (10 mi) NW  of Parkfield, CA
 1.4 2018/12/09 01:32:09 36.673N 121.275W 10.2   18 km (11 mi) SSE of Ridgemark, CA
 1.1 2018/12/09 01:12:58 35.970N 120.533W  4.9   12 km ( 8 mi) NW  of Parkfield, CA
 1.3 2018/12/08 20:08:40 35.725N 121.052W  7.3   16 km (10 mi) W   of Lake Nacimiento, CA
 1.6 2018/12/08 18:30:57 36.001N 120.566W  1.5   17 km (10 mi) NW  of Parkfield, CA
 1.7 2018/12/08 18:22:55 35.683N 120.997W  6.2   12 km ( 7 mi) WSW of Lake Nacimiento, CA
 1.9 2018/12/08 15:01:07 36.503N 121.073W  7.8   24 km (15 mi) ENE of Soledad, CA
 1.4 2018/12/08 09:41:05 36.713N 121.375W  7.1   11 km ( 7 mi) S   of Ridgemark, CA
 2.1 2018/12/08 08:07:14 36.849N 121.586W  7.5    4 km ( 3 mi) W   of San Juan Bautista, CA
 0.9 2018/12/08 02:51:50 36.861N 121.413W  7.9    2 km ( 1 mi) NW  of Hollister, CA
 1.5 2018/12/07 13:21:35 36.709N 121.339W 15.2   12 km ( 7 mi) SSE of Ridgemark, CA
 1.1 2018/12/07 13:12:47 36.072N 120.658W  2.6   28 km (17 mi) WSW of Coalinga, CA
 0.0 2018/12/07 12:13:59 35.944N 120.497W  3.4    8 km ( 5 mi) NW  of Parkfield, CA
 1.5 2018/12/07 10:45:22 36.064N 120.883W  4.5   27 km (17 mi) SE  of King City, CA
 0.4 2018/12/07 04:08:20 35.943N 120.498W  3.6    8 km ( 5 mi) NW  of Parkfield, CA
 2.6 2018/12/06 23:06:48 36.682N 121.228W  7.7   19 km (12 mi) SE  of Ridgemark, CA
 2.9 2018/12/06 23:06:44 36.655N 121.271W  8.5   19 km (12 mi) SSE of Ridgemark, CA
 1.7 2018/12/06 21:23:49 36.654N 121.271W  9.7   20 km (12 mi) SSE of Ridgemark, CA
 1.5 2018/12/06 18:25:33 36.714N 121.327W 14.9   11 km ( 7 mi) SSE of Ridgemark, CA
 2.2 2018/12/06 16:53:37 36.654N 121.271W  9.3   20 km (12 mi) SSE of Ridgemark, CA
 1.5 2018/12/06 16:15:22 36.672N 121.305W  4.3   17 km (10 mi) SSE of Ridgemark, CA
 1.1 2018/12/06 11:13:51 35.422N 120.582W -0.5    1 km ( 1 mi) W   of Quarry at SANTA-MARGARITA  (Probable quarry explosion)
 1.4 2018/12/06 11:13:06 36.209N 120.774W  5.6   32 km (20 mi) E   of King City, CA
 0.6 2018/12/06 00:33:10 36.592N 121.138W  8.2   25 km (16 mi) NE  of Soledad, CA
 1.2 2018/12/05 22:26:54 36.021N 120.984W  6.2   25 km (15 mi) SSE of King City, CA
 0.8 2018/12/05 21:16:15 36.681N 121.329W  7.2   15 km ( 9 mi) SSE of Ridgemark, CA
 1.3 2018/12/05 15:30:27 36.819N 121.534W  3.9    3 km ( 2 mi) S   of San Juan Bautista, CA
 1.3 2018/12/05 15:06:50 36.774N 121.421W 11.6    6 km ( 4 mi) SW  of Ridgemark, CA
 1.4 2018/12/05 08:44:35 35.893N 120.440W 10.0    1 km ( 1 mi) SW  of Parkfield, CA
 1.6 2018/12/05 06:59:13 35.291N 120.597W  3.0    6 km ( 4 mi) E   of San Luis Obispo, CA
 0.8 2018/12/04 12:45:25 36.964N 121.606W  4.0    6 km ( 4 mi) SW  of Gilroy, CA
 0.3 2018/12/04 08:34:05 36.751N 121.354W  9.1    7 km ( 4 mi) S   of Ridgemark, CA
 0.4 2018/12/04 07:48:55 36.000N 120.560W  1.3   16 km (10 mi) NW  of Parkfield, CA
 0.6 2018/12/04 05:11:09 35.885N 120.444W  9.5    2 km ( 1 mi) SW  of Parkfield, CA
 1.0 2018/12/03 22:06:48 35.758N 120.627W 11.3    6 km ( 4 mi) E   of San Miguel, CA
 1.6 2018/12/03 17:40:34 36.009N 120.953W 10.3   27 km (17 mi) SE  of King City, CA
 1.1 2018/12/03 11:28:39 36.508N 121.092W  5.0   23 km (14 mi) ENE of Soledad, CA
 1.1 2018/12/03 10:47:24 36.664N 121.278W  1.2   18 km (11 mi) SSE of Ridgemark, CA
 1.3 2018/12/03 10:46:33 36.664N 121.279W  3.5   18 km (11 mi) SSE of Ridgemark, CA
 1.1 2018/12/03 07:21:57 36.561N 121.161W  6.7   21 km (13 mi) NE  of Soledad, CA
 0.8 2018/12/03 05:10:18 35.855N 120.393W  5.0    6 km ( 4 mi) SE  of Parkfield, CA
 0.7 2018/12/03 05:08:16 35.855N 120.396W  4.2    6 km ( 4 mi) SSE of Parkfield, CA
 2.5 2018/12/03 05:05:34 35.853N 120.396W  5.0    6 km ( 4 mi) SSE of Parkfield, CA
 1.5 2018/12/03 01:00:49 36.001N 120.561W  1.9   16 km (10 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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