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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 = Thu Jul 9 16:00:04 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
1.4 2009/07/09 03:42:56 37.742N 121.929W 9.3 3 km ( 2 mi) SE of San Ramon, CA 1.6 2009/07/08 02:52:16 37.277N 121.655W 5.2 16 km (10 mi) E of Seven Trees, CA 0.9 2009/07/07 10:46:23 37.165N 121.565W 3.0 8 km ( 5 mi) ENE of Morgan Hill, CA 1.0 2009/07/07 09:06:50 37.092N 121.123W 4.7 21 km (13 mi) SSW of Gustine, CA 1.0 2009/07/07 08:29:35 37.465N 121.795W 7.3 9 km ( 6 mi) ENE of Milpitas, CA 1.0 2009/07/06 03:05:33 37.347N 121.710W 8.2 10 km ( 7 mi) ESE of Alum Rock, CA 0.7 2009/07/05 23:57:23 37.425N 121.767W 6.6 8 km ( 5 mi) NE of Alum Rock, CA 0.8 2009/07/05 22:12:23 37.283N 121.665W 2.0 15 km (10 mi) E of Seven Trees, CA 0.7 2009/07/05 07:03:01 37.476N 121.567W 6.5 26 km (16 mi) ENE of Alum Rock, CA 1.7 2009/07/05 03:56:19 37.521N 121.561W 2.3 26 km (16 mi) SE of Livermore, CA 0.8 2009/07/04 16:16:20 37.452N 121.772W 7.3 10 km ( 7 mi) NNE of Alum Rock, CA 0.9 2009/07/04 11:45:20 37.286N 121.662W 5.7 16 km (10 mi) E of Seven Trees, CA 0.6 2009/07/04 11:09:29 37.510N 121.686W 6.3 20 km (12 mi) NE of Alum Rock, CA 1.4 2009/07/04 10:08:40 37.287N 121.663W 5.5 15 km (10 mi) E of Seven Trees, CA 1.4 2009/07/03 23:55:36 37.853N 121.806W 3.2 11 km ( 7 mi) ENE of Blackhawk, CA 0.8 2009/07/03 16:31:28 37.480N 121.558W 8.4 27 km (17 mi) ENE of Alum Rock, CA 1.0 2009/07/03 15:24:50 37.153N 121.544W 7.3 9 km ( 5 mi) NE of San Martin, CA 0.8 2009/07/03 05:46:55 37.475N 121.791W 7.2 10 km ( 6 mi) ENE of Milpitas, CA 0.7 2009/07/03 01:28:10 37.424N 121.769W 6.5 8 km ( 5 mi) NE of Alum Rock, CA 1.0 2009/07/03 01:08:43 37.491N 121.817W 5.5 9 km ( 6 mi) NE of Milpitas, CA 1.1 2009/07/03 01:05:46 37.493N 121.815W 4.9 10 km ( 6 mi) NE of Milpitas, CA 1.6 2009/07/02 17:39:38 37.266N 121.649W 3.5 15 km (10 mi) N of Morgan Hill, CA 2.1 2009/07/02 16:42:01 37.264N 121.649W 3.6 15 km (10 mi) N of Morgan Hill, 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)