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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 16:01:50 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
0.9 2009/07/06 15:59:47 36.029N 120.618W 0.0 22 km (14 mi) NW of Parkfield, CA 0.5 2009/07/06 00:21:15 37.627N 119.022W 5.0 4 km ( 2 mi) WSW of Mammoth Lakes, CA 0.5 2009/07/05 20:19:55 37.598N 119.009W 4.4 5 km ( 3 mi) SSW of Mammoth Lakes, CA 0.1 2009/07/05 14:34:38 37.638N 119.017W 3.8 3 km ( 2 mi) W of Mammoth Lakes, CA 0.6 2009/07/05 13:07:33 37.624N 119.019W 5.0 4 km ( 2 mi) WSW of Mammoth Lakes, CA 0.3 2009/07/05 13:03:59 37.630N 119.020W 4.9 4 km ( 2 mi) WSW of Mammoth Lakes, CA 0.4 2009/07/05 13:03:00 37.626N 119.021W 4.7 4 km ( 2 mi) WSW of Mammoth Lakes, CA 0.4 2009/07/05 13:02:13 37.626N 119.019W 4.7 4 km ( 2 mi) WSW of Mammoth Lakes, CA 2.2 2009/07/05 13:01:02 37.623N 119.023W 5.0 4 km ( 3 mi) WSW of Mammoth Lakes, CA 1.5 2009/07/05 12:32:46 37.669N 119.430W 14.8 15 km ( 9 mi) ESE of Yosemite Valley, CA 0.6 2009/07/05 04:59:12 36.227N 120.788W 6.3 23 km (15 mi) ENE of San Lucas, CA 1.9 2009/07/05 02:18:52 36.577N 120.701W 11.2 18 km (11 mi) N of New Idria, CA 1.9 2009/07/05 01:35:56 36.257N 120.348W 10.5 13 km ( 8 mi) N of Coalinga, CA 0.8 2009/07/02 05:36:31 36.002N 120.559W 3.4 16 km (10 mi) NW of Parkfield, CA 0.2 2009/06/30 16:20:17 37.534N 119.021W 7.2 12 km ( 7 mi) SSW of Mammoth Lakes, 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)