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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 = Tue Aug 4 4:00:03 PDT 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
 1.9 2020/08/03 09:26:54 39.566N 123.063W -1.0   30 km (19 mi) SSE of Covelo, CA
 1.8 2020/08/02 02:38:52 40.918N 123.476W 28.3   13 km ( 8 mi) E   of Willow Creek, CA
 1.2 2020/08/01 11:50:09 40.594N 122.211W 15.3    4 km ( 3 mi) NE  of Palo Cedro, CA
 1.0 2020/08/01 08:46:33 39.238N 123.106W  5.3    9 km ( 6 mi) ESE of Redwood Valley, CA
 1.6 2020/08/01 06:50:01 39.317N 122.789W  5.2   20 km (12 mi) NNE of Upper Lake, CA
 1.4 2020/08/01 01:09:13 39.196N 123.110W  3.5    9 km ( 5 mi) NE  of Talmage, CA
 1.6 2020/08/01 00:43:43 40.599N 122.262W 18.6    4 km ( 3 mi) NNW of Palo Cedro, CA
 1.3 2020/07/31 16:24:32 39.555N 123.396W  5.6   12 km ( 8 mi) N   of Brooktrails, CA
 1.3 2020/07/31 13:38:15 39.419N 123.416W  5.4    4 km ( 2 mi) SW  of Brooktrails, CA
 1.1 2020/07/31 10:15:26 39.254N 123.218W  5.6    2 km ( 1 mi) SW  of Redwood Valley, CA
 1.9 2020/07/31 08:09:39 40.915N 123.481W 24.6   13 km ( 8 mi) ESE of Willow Creek, CA
 1.7 2020/07/31 03:15:57 40.275N 123.822W 29.3   17 km (11 mi) N   of Redway, CA
 1.9 2020/07/31 00:47:08 39.009N 123.085W  3.1   15 km ( 9 mi) WSW of Lakeport, CA
 1.8 2020/07/31 00:08:50 39.053N 123.083W  2.9   12 km ( 7 mi) SE  of Talmage, CA
 1.2 2020/07/30 22:58:04 39.337N 123.240W  6.2    9 km ( 5 mi) NNW of Redwood Valley, CA
 1.4 2020/07/30 16:17:20 39.255N 123.218W  5.8    2 km ( 1 mi) SW  of Redwood Valley, CA
 1.1 2020/07/30 15:57:26 39.263N 123.208W  6.9    0 km ( 0 mi) SW  of Redwood Valley, CA
 1.4 2020/07/30 07:58:41 39.338N 123.240W  6.1    9 km ( 5 mi) NNW of Redwood Valley, CA
 1.9 2020/07/30 04:47:09 39.500N 123.128W  3.3   22 km (14 mi) ENE of Willits, CA
 2.5 2020/07/29 09:10:11 39.788N 122.002W 13.8    5 km ( 3 mi) NNE of Hamilton City, CA
 2.2 2020/07/29 03:57:47 39.566N 123.081W  2.6   29 km (18 mi) SSE of Covelo, CA
 1.9 2020/07/28 09:43:59 40.059N 122.916W  8.0   41 km (25 mi) NE  of Covelo, 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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