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Update time = Sat May 18 2:00:00 PDT 2013
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

 1.5  2013/05/17 09:27:04 33.839N 117.500W  0.3    7 km ( 4 mi) SE  of Corona, CA
 1.5  2013/05/16 20:28:24 33.956N 118.410W 11.1    3 km ( 2 mi) ENE of Los Angeles Airport, CA
 1.1  2013/05/16 18:45:52 33.921N 117.859W  4.1    4 km ( 2 mi) E   of Brea, CA
 1.1  2013/05/16 15:31:00 33.716N 117.129W  5.7    7 km ( 5 mi) SSE of Perris, CA
 1.2  2013/05/16 12:19:44 33.673N 117.222W  0.0   10 km ( 6 mi) E   of Lake Elsinore, CA
 1.5  2013/05/15 20:13:22 32.748N 117.388W 17.0   13 km ( 8 mi) WSW of Mission Beach, CA
 1.9  2013/05/15 14:57:11 33.659N 118.396W  0.0   11 km ( 7 mi) WSW of Pt. Fermin, San Pedro, CA
 4.0  2013/05/15 13:00:06 33.658N 118.372W  1.2    9 km ( 5 mi) SW  of Pt. Fermin, San Pedro, CA
 1.3  2013/05/15 12:58:45 32.812N 117.062W  0.0    5 km ( 3 mi) NNW of La Mesa, CA
 1.6  2013/05/14 19:08:37 33.730N 118.332W 11.5    4 km ( 3 mi) NW  of Pt. Fermin, San Pedro, CA
 2.1  2013/05/14 14:33:02 33.523N 118.477W 10.0   25 km (15 mi) NW  of Avalon, Catalina Island, CA
 0.9  2013/05/14 13:38:26 33.862N 117.526W  0.0    4 km ( 2 mi) ESE of Corona, CA
 1.6  2013/05/14 12:28:43 33.862N 117.503W  0.0    6 km ( 4 mi) ESE of Corona, CA
 1.3  2013/05/14 10:00:27 33.665N 117.224W  0.0   10 km ( 6 mi) E   of Lake Elsinore, CA
 1.2  2013/05/13 16:56:55 33.829N 117.713W  7.9   11 km ( 7 mi) SE  of Yorba Linda, CA
 1.8  2013/05/13 16:56:15 33.737N 118.388W 16.8    5 km ( 3 mi) SE  of Palos Verdes Point, CA
 1.2  2013/05/13 12:35:35 33.851N 117.488W  0.0    8 km ( 5 mi) ESE of Corona, CA
 1.1  2013/05/13 03:10:46 33.833N 117.870W  8.3    4 km ( 2 mi) ENE of Anaheim, CA
 0.8  2013/05/13 00:51:52 33.880N 117.007W 16.8    6 km ( 4 mi) SSW of Beaumont, CA
 1.0  2013/05/11 21:38:08 33.931N 117.831W  7.5    5 km ( 3 mi) NNW of Yorba Linda, CA
 1.8  2013/05/11 11:19:24 33.941N 118.328W 11.4    2 km ( 1 mi) S   of Inglewood, CA
 1.2  2013/05/11 10:43:27 33.642N 117.240W 14.6    9 km ( 5 mi) ESE of Lake Elsinore, CA

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Data Sources

Northern California - USGS = U.S. Geological Survey, Menlo Park
Northern California - UCB = University of California, Berkeley
Southern California - USGS = U.S. Geological Survey, Pasadena
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
US and World - USGS/NEIC = National Earthquake Information Center
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)