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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 Jul 6 15:00:04 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
1.1 2009/07/04 17:28:26 34.029N 116.317W 8.6 11 km ( 7 mi) S of Joshua Tree, CA 1.5 2009/07/03 21:19:00 34.018N 116.741W 11.9 12 km ( 7 mi) SE of Mt. San Gorgonio, CA 1.1 2009/07/02 10:25:58 34.341N 116.881W 0.0 9 km ( 6 mi) NNW of Big Bear City, CA 1.4 2009/07/01 11:13:41 34.342N 116.841W 0.0 9 km ( 5 mi) N of Big Bear City, CA 1.0 2009/07/01 09:11:56 34.350N 116.470W 9.3 25 km (16 mi) N of Yucca Valley, CA 1.2 2009/07/01 07:58:31 34.714N 116.299W 4.6 13 km ( 8 mi) W of Ludlow, CA 0.7 2009/07/01 07:30:25 34.113N 116.414W 8.9 1 km ( 1 mi) S of Yucca Valley, CA 1.4 2009/07/01 07:12:29 34.727N 116.300W 7.4 13 km ( 8 mi) W of Ludlow, CA 1.2 2009/06/30 19:12:45 34.625N 116.555W 10.1 38 km (23 mi) WSW of Ludlow, CA 0.9 2009/06/30 15:22:44 34.028N 116.879W 6.0 9 km ( 6 mi) SSW of Mt. San Gorgonio, CA 1.8 2009/06/30 10:47:52 34.029N 116.892W 18.5 10 km ( 6 mi) SW of Mt. San Gorgonio, CA 1.9 2009/06/30 04:19:07 34.612N 116.629W 5.5 35 km (21 mi) ENE of Lucerne Valley, CA 1.6 2009/06/30 03:03:53 34.274N 116.970W 11.3 6 km ( 4 mi) WNW of town of Big Bear Lake, CA 0.8 2009/06/29 19:46:30 34.507N 116.276W 5.5 26 km (16 mi) SSW of Ludlow, 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)