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 8:00:05 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  2009/07/02 16:36:04 39.063N 122.555W  0.0   11 km ( 7 mi) ENE of Clearlake Oaks, CA
 1.6  2009/07/02 10:34:37 40.095N 123.698W 31.3   11 km ( 7 mi) ESE of Redway, CA
 2.3  2009/07/02 02:00:30 39.686N 123.609W  4.2   11 km ( 7 mi) W   of Laytonville, CA
 1.5  2009/07/01 23:00:14 40.922N 122.350W  7.8   33 km (20 mi) SSW of Dunsmuir, CA
 2.0  2009/07/01 12:58:46 40.749N 122.320W  0.0   19 km (12 mi) NNE of Redding, CA
 2.2  2009/06/29 12:53:00 39.433N 123.098W  4.2   12 km ( 8 mi) WNW of Lake Pillsbury, CA
 2.4  2009/06/29 10:24:05 40.184N 122.775W  9.9   46 km (28 mi) W   of Red Bluff, CA
 1.6  2009/06/29 10:18:12 40.610N 122.402W 20.6    3 km ( 2 mi) NNW of Redding, CA
 1.5  2009/06/28 19:52:50 40.599N 122.402W 18.6    2 km ( 1 mi) NW  of Redding, CA
 1.1  2009/06/28 07:25:01 40.425N 122.026W  7.6   22 km (14 mi) ENE of Cottonwood, CA
 1.5  2009/06/27 22:45:53 39.482N 123.106W  4.9   15 km ( 9 mi) WNW of Lake Pillsbury, CA
 2.6  2009/06/27 12:43:43 40.192N 122.792W  7.3   47 km (29 mi) W   of Red Bluff, CA
 3.8  2009/06/27 10:29:35 40.185N 122.801W  8.3   48 km (30 mi) W   of Red Bluff, 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)