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Update time = Tue Jan 28 11:00:04 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

 1.9 2020/01/28 10:51:17 34.124N 117.477W  5.9    3 km ( 2 mi) NNW of Fontana, CA
 1.0 2020/01/28 10:14:27 34.080N 117.269W 15.6    4 km ( 2 mi) NNW of Loma Linda, CA
 2.0 2020/01/28 06:02:44 33.852N 117.824W  8.8    4 km ( 3 mi) SSW of Yorba Linda, CA
 1.5 2020/01/28 00:55:58 34.161N 117.471W 10.9    7 km ( 4 mi) N   of Fontana, CA
 1.5 2020/01/27 20:43:46 34.088N 118.183W  5.4    4 km ( 2 mi) SSE of Highland Park, CA
 2.0 2020/01/27 14:41:55 34.157N 117.439W 11.3    7 km ( 4 mi) NNE of Fontana, CA
 1.0 2020/01/27 05:05:57 34.070N 117.272W 14.0    3 km ( 2 mi) NNW of Loma Linda, CA
 1.3 2020/01/26 21:29:59 34.083N 118.249W 11.5    2 km ( 1 mi) NNE of Echo Park, CA
 1.6 2020/01/26 21:29:43 34.297N 118.471W  5.6    3 km ( 2 mi) WNW of Pacoima, CA
 1.6 2020/01/25 23:26:56 33.603N 117.212W 13.3    5 km ( 3 mi) N   of Murrieta, CA
 1.0 2020/01/25 08:19:23 34.197N 117.522W  8.7    7 km ( 5 mi) SSW of Lytle Creek, CA
 0.7 2020/01/24 07:17:51 34.123N 117.478W  6.3    3 km ( 2 mi) NNW of Fontana, CA
 0.9 2020/01/24 03:36:48 34.108N 117.321W 15.6    3 km ( 2 mi) SW  of San Bernardino, CA
 1.1 2020/01/23 11:38:48 33.925N 117.879W  7.1    2 km ( 1 mi) ENE of Brea, CA
 1.6 2020/01/23 10:00:26 33.850N 117.504W  1.3    0 km ( 0 mi) W   of Quarry at CORONA  (Probable quarry explosion)
 1.5 2020/01/22 13:00:36 33.859N 117.497W -0.5    1 km ( 1 mi) NNE of Quarry at CORONA  (Probable quarry explosion)
 0.4 2020/01/22 10:15:33 34.451N 117.950W  9.1    7 km ( 4 mi) SSW of Pearblossum, CA
 2.4 2020/01/22 06:37:49 34.296N 118.490W  8.7    3 km ( 2 mi) NNE of Granada Hills, CA
 1.3 2020/01/22 05:30:02 34.279N 118.489W 10.9    1 km ( 1 mi) NE  of Granada Hills, CA
 1.0 2020/01/22 02:31:49 34.385N 117.613W  9.2    3 km ( 2 mi) NE  of Wrightwood, CA
 2.4 2020/01/22 02:26:38 34.386N 117.615W  7.8    3 km ( 2 mi) NNE of Wrightwood, CA
 3.6 2020/01/21 23:41:10 34.300N 118.486W  7.7    4 km ( 2 mi) NNE of Granada Hills, 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)