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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 Dec 20 7:00:02 PST 2014
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
 1.6  2014/12/18 14:20:06 37.357N 120.000W 23.6   15 km ( 9 mi) SSW of Mariposa, CA
 3.2  2014/12/17 20:14:31 38.434N 119.267W 11.3   20 km (12 mi) N   of Bridgeport, CA
 1.3  2014/12/17 15:09:04 37.353N 119.998W 24.7   15 km ( 9 mi) S   of Mariposa, CA
 2.2  2014/12/16 13:29:16 38.433N 119.268W 10.1   20 km (12 mi) N   of Bridgeport, CA
 0.6  2014/12/16 12:25:36 38.472N 119.255W 12.0   24 km (15 mi) N   of Bridgeport, CA
 2.3  2014/12/16 05:13:40 38.361N 119.310W  6.8   14 km ( 8 mi) NNW of Bridgeport, CA
 2.4  2014/12/15 19:42:57 38.434N 119.275W 11.7   20 km (13 mi) N   of Bridgeport, CA
 2.7  2014/12/15 19:33:53 38.435N 119.266W 10.9   20 km (12 mi) N   of Bridgeport, CA
 1.4  2014/12/15 12:32:06 37.473N 119.293W 15.7   33 km (21 mi) NE  of North Fork, CA
 0.8  2014/12/15 07:10:02 38.765N 119.732W  8.4    9 km ( 5 mi) NNE of Markleeville, CA
 1.2  2014/12/15 05:02:39 37.518N 119.319W 16.0   34 km (21 mi) WSW of Mammoth Lakes, CA
 1.1  2014/12/15 02:24:27 37.491N 119.335W 14.7   33 km (20 mi) NNE of North Fork, CA
 1.9  2014/12/14 22:45:05 37.488N 119.368W 17.3   31 km (19 mi) NE  of Oakhurst, CA
 1.2  2014/12/14 06:24:03 37.494N 119.364W 12.6   31 km (19 mi) NE  of Oakhurst, CA
 1.3  2014/12/13 19:38:49 37.481N 119.369W 15.0   30 km (19 mi) NE  of Oakhurst, CA
 1.0  2014/12/13 18:14:03 37.491N 119.333W 13.7   33 km (21 mi) NNE of North Fork, CA
 0.9  2014/12/13 08:04:02 37.505N 119.369W  7.5   32 km (20 mi) NE  of Oakhurst, CA

Special maps:
Long Valley || Los Angeles || San Francisco Index map || big earthquake list || all earthquake list || glossary of terms ||

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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