Click on an earthquake on the above map for more information.
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?

Click here for more info on the Long Valley volcano monitoring effort.

Update time = Sat Jul 4 8:52:39 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  2009/07/04 08:48:55 37.636N 118.904W  7.8    6 km ( 4 mi) ESE of Mammoth Lakes, CA
 2.2  2009/07/04 06:46:10 37.477N 118.842W  2.7   17 km (11 mi) WSW of Toms Place, CA
 0.2  2009/07/02 00:55:57 37.659N 118.857W  6.5   10 km ( 6 mi) E   of Mammoth Lakes, CA
 0.2  2009/06/30 16:20:17 37.534N 119.021W  7.2   13 km ( 8 mi) SSW of Mammoth Lakes, CA
 0.7  2009/06/30 14:03:19 37.523N 118.882W  4.9   16 km (10 mi) SSE of Mammoth Lakes, CA
 0.4  2009/06/30 09:49:16 37.643N 118.938W  5.6    3 km ( 2 mi) E   of Mammoth Lakes, CA
 1.4  2009/06/29 20:05:07 37.446N 118.856W  3.1   20 km (12 mi) SW  of Toms Place, CA
 0.8  2009/06/29 19:37:25 37.513N 118.837W  5.5   15 km ( 9 mi) WSW of Toms Place, CA
 0.4  2009/06/29 07:59:38 37.543N 118.818W  6.7   12 km ( 8 mi) W   of Toms Place, CA
 0.3  2009/06/29 04:55:00 37.634N 118.882W  8.9    8 km ( 5 mi) E   of Mammoth Lakes, CA
 1.8  2009/06/29 02:58:11 37.543N 118.812W  7.5   12 km ( 7 mi) W   of Toms Place, CA
 0.3  2009/06/28 06:23:37 37.624N 118.882W  9.0    8 km ( 5 mi) ESE of Mammoth Lakes, CA
 0.3  2009/06/28 05:35:24 37.640N 118.885W  8.0    8 km ( 5 mi) E   of Mammoth Lakes, CA
 0.6  2009/06/28 05:15:09 37.589N 118.846W 11.4   13 km ( 8 mi) ESE of Mammoth Lakes, CA
 1.1  2009/06/28 02:29:24 37.468N 118.847W  6.0   18 km (11 mi) SW  of Toms Place, CA
 0.6  2009/06/27 23:05:08 37.467N 118.846W  5.9   18 km (11 mi) SW  of Toms Place, CA
 0.8  2009/06/27 22:19:08 37.467N 118.847W  5.4   18 km (11 mi) SW  of Toms Place, CA
 0.4  2009/06/27 12:13:07 37.565N 118.868W 10.1   13 km ( 8 mi) SE  of Mammoth Lakes, 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)