Click on an earthquake on the above map for more information.
Click on an arrow at edge or corner of above map to go to an adjacent map.
Click here to go to index map || big earthquake list || all earthquakes list
Special maps: Long Valley || Los Angeles || San Francisco
Map need updating? Try reloading the page to your browser.
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.
What happens when I click on an earthquake?

Update time = Sat Jul 4 18:00:02 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

 0.8  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   13 km ( 8 mi) SSW of Mammoth Lakes, CA
 0.3  2009/06/28 12:14:01 36.035N 120.600W 11.7   21 km (13 mi) NW  of Parkfield, CA
 1.2  2009/06/28 11:14:51 36.082N 120.175W 10.1   10 km ( 6 mi) NNW of Avenal, CA
 1.1  2009/06/28 09:48:07 36.092N 120.204W  5.4   12 km ( 7 mi) NW  of Avenal, CA
 1.3  2009/06/28 04:43:53 36.097N 120.192W  8.1   12 km ( 7 mi) NNW of Avenal, CA
 2.6  2009/06/28 04:06:39 36.096N 120.195W  8.5   12 km ( 7 mi) NNW of Avenal, CA
 1.6  2009/06/28 03:20:25 36.093N 120.192W  8.0   12 km ( 7 mi) NNW of Avenal, CA
 1.2  2009/06/28 01:09:53 37.694N 119.360W 18.0   22 km (13 mi) ESE of Yosemite Village, CA

Special maps:
Long Valley || Los Angeles || San Francisco Index map || big earthquake list || all earthquake list || glossary of terms ||

Data Sources

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)