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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 Oct 19 17:00:04 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

 1.2 2020/10/18 16:35:24 37.819N 121.763W 15.6   12 km ( 8 mi) WSW of Byron, CA
 0.9 2020/10/18 10:35:16 37.550N 121.674W -0.4   17 km (10 mi) SSE of Livermore, CA
 1.2 2020/10/18 06:12:47 37.374N 121.732W  6.3    8 km ( 5 mi) E   of East Foothills, CA
 2.0 2020/10/17 23:37:30 38.041N 121.803W  4.9    4 km ( 3 mi) N   of Antioch, CA
 1.2 2020/10/17 14:14:26 37.500N 121.827W  4.6   11 km ( 7 mi) NE  of Milpitas, CA
 1.3 2020/10/16 02:33:04 37.614N 121.667W  6.6   12 km ( 7 mi) SE  of Livermore, CA
 2.0 2020/10/14 08:32:03 37.499N 121.827W  4.3   11 km ( 7 mi) NE  of Milpitas, CA
 1.9 2020/10/14 07:52:11 37.499N 121.827W  4.3   11 km ( 7 mi) NE  of Milpitas, CA
 1.1 2020/10/13 15:54:10 37.548N 121.841W  4.4   13 km ( 8 mi) E   of Fremont, CA
 1.2 2020/10/13 15:49:10 37.335N 121.708W  3.2   11 km ( 7 mi) ESE of East Foothills, CA
 2.7 2020/10/13 05:01:24 37.258N 120.019W 20.6   21 km (13 mi) E   of Le Grand, 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)