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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 = Mon Jan 20 15:00:03 PST 2020
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

 1.1 2020/01/20 02:00:19 40.083N 119.702W 15.6   48 km (30 mi) N   of Spanish Springs, NV
 1.0 2020/01/18 15:39:02 40.103N 119.715W 14.6   51 km (31 mi) N   of Spanish Springs, NV
 0.9 2020/01/18 13:40:37 40.022N 120.136W  7.2   37 km (23 mi) NE  of Portola, CA

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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)