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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

 2.1 2020/01/20 10:39:14 39.045N 123.115W  4.6   11 km ( 7 mi) SSE of Talmage, CA
 2.2 2020/01/20 10:38:42 39.046N 123.117W  5.0   11 km ( 7 mi) SSE of Talmage, CA
 2.3 2020/01/19 09:32:57 39.617N 123.363W  8.0   13 km ( 8 mi) SE  of Laytonville, CA
 1.4 2020/01/19 00:29:10 39.125N 123.142W  4.8    2 km ( 1 mi) ESE of Talmage, CA
 3.1 2020/01/17 05:47:46 40.135N 123.856W 22.4    3 km ( 2 mi) WNW of Redway, CA
 2.3 2020/01/17 02:51:29 40.358N 123.960W 28.4   20 km (12 mi) SE  of Rio Dell, CA
 1.5 2020/01/16 13:01:05 39.274N 123.225W  6.0    2 km ( 1 mi) WNW of Redwood Valley, CA
 2.9 2020/01/16 08:56:39 40.359N 123.967W 27.4   20 km (12 mi) SE  of Rio Dell, CA
 3.0 2020/01/14 05:28:29 40.303N 124.524W 19.8   38 km (23 mi) SW  of Ferndale, CA
 1.6 2020/01/13 20:24:03 39.408N 123.336W  5.3    2 km ( 1 mi) E   of Willits, 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)