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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 Dec 11 13:00:04 PST 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

 0.9 2019/12/11 06:49:07 40.071N 119.698W 19.7   47 km (29 mi) N   of Spanish Springs, NV
 0.7 2019/12/09 19:41:31 40.015N 120.719W 13.0   18 km (11 mi) ENE of East Quincy, CA
 1.0 2019/12/08 11:07:00 40.058N 119.700W 16.8   45 km (28 mi) N   of Spanish Springs, NV
 1.1 2019/12/07 22:42:10 40.342N 119.520W 18.8   79 km (49 mi) NNE of Spanish Springs, NV

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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)