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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 = Fri Jul 25 9:00:05 PDT 2008
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 2008/07/24 18:56:52 37.501N 121.687W 6.1 19 km (12 mi) NE of Alum Rock, CA 2.6 2008/07/24 00:13:11 37.819N 121.987W 16.1 1 km ( 1 mi) NW of Danville, CA 1.2 2008/07/23 23:27:25 37.825N 121.910W 1.6 2 km ( 1 mi) N of Blackhawk, CA 1.5 2008/07/22 17:40:19 37.273N 121.649W 5.1 16 km (10 mi) N of Morgan Hill, CA 1.7 2008/07/21 16:42:34 37.586N 121.975W 7.5 5 km ( 3 mi) N of Fremont, CA 1.9 2008/07/21 05:50:04 37.422N 121.769W 6.3 8 km ( 5 mi) NE of Alum Rock, CA 2.4 2008/07/21 02:49:39 37.453N 121.809W 6.3 8 km ( 5 mi) ENE of Milpitas, CA 1.1 2008/07/19 16:50:19 37.524N 121.876W 8.5 9 km ( 6 mi) S of Sunol, CA 1.3 2008/07/18 19:40:08 37.431N 121.773W 8.7 8 km ( 5 mi) NNE of Alum Rock, CA 2.7 2008/07/18 19:22:01 37.430N 121.772W 10.4 8 km ( 5 mi) NE of Alum Rock, CA 2.5 2008/07/18 19:00:33 37.429N 121.775W 8.8 8 km ( 5 mi) NNE of Alum Rock, CA 1.9 2008/07/18 16:34:33 37.828N 121.793W 13.9 11 km ( 7 mi) E of Blackhawk, 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)