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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 = Sun Jul 5 11:00:01 PDT 2009
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
1.4 2009/07/05 02:11:46 33.934N 117.222W 0.0 1 km ( 1 mi) NE of Moreno Valley, CA 1.8 2009/07/04 23:28:25 33.901N 118.365W 18.7 2 km ( 1 mi) NW of Lawndale, CA 1.8 2009/07/04 23:13:38 33.931N 118.376W 18.3 2 km ( 1 mi) WSW of Lennox, CA 1.3 2009/07/04 21:19:03 33.894N 117.171W 16.5 6 km ( 4 mi) SE of Moreno Valley, CA 1.7 2009/07/04 21:10:47 33.758N 117.186W 30.3 2 km ( 1 mi) NW of Romoland, CA 1.7 2009/07/04 19:46:57 33.933N 118.391W 19.4 2 km ( 1 mi) NE of El Segundo, CA 1.5 2009/07/04 16:08:59 32.906N 117.227W 17.5 7 km ( 4 mi) NNE of La Jolla, CA 1.4 2009/07/03 14:08:45 33.974N 117.720W 13.7 0 km ( 0 mi) ESE of Chino Hills, CA 1.7 2009/07/03 09:04:24 33.994N 118.381W 13.2 1 km ( 1 mi) SW of Baldwin Hills, CA 1.5 2009/07/02 12:24:04 33.714N 117.338W 0.0 4 km ( 2 mi) N of Lake Elsinore, CA 1.2 2009/07/01 18:02:30 33.982N 117.166W 14.9 8 km ( 5 mi) S of Redlands, CA 1.3 2009/07/01 11:01:55 33.765N 117.521W 7.0 12 km ( 8 mi) SSE of Corona, CA 1.3 2009/06/30 15:35:34 33.041N 118.066W 6.0 41 km (26 mi) SE of Avalon, CA 0.7 2009/06/28 18:36:38 33.959N 117.198W 6.0 5 km ( 3 mi) NE of Moreno Valley, CA 1.4 2009/06/28 16:01:09 33.970N 117.764W 14.0 4 km ( 2 mi) W of Chino Hills, CA
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)