Logo Recent Earthquakes in California and Nevada

Big Earthquakes on Index Map

Earthquakes recorded for the last week (168 hours). Times are local (PST or PDT). The most recent earthquakes are at the top of the list. Click on the word "map" or "MAP" to see a map displaying the earthquake. Click on an event "DATE" to get additional text information. Magnitude 3 and greater earthquakes are printed in bold type. The top three magnitudes greater than or equal to 3 are in red.

    MAG    DATE    LOCAL-TIME  LAT     LON    DEPTH    LOCATION
           y/m/d     h:m:s     deg     deg     km
   
MAP 3.0  2009/11/21 00:14:23 40.305N 124.531W 22.2   21 km (13 mi) W   of Petrolia, CA
MAP 3.3  2009/11/17 16:45:02 33.172N 115.609W  0.4    3 km ( 2 mi) E   of Obsidian Butte, CA
MAP 3.4  2009/11/17 16:44:00 33.182N 115.612W  2.1    3 km ( 2 mi) ENE of Obsidian Butte, CA
MAP 3.1  2009/11/17 15:07:16 33.176N 115.605W  1.6    3 km ( 2 mi) ENE of Obsidian Butte, CA
MAP 3.3  2009/11/17 15:05:36 33.176N 115.608W  1.3    3 km ( 2 mi) ENE of Obsidian Butte, CA
MAP 3.2  2009/11/17 14:52:13 33.177N 115.608W  1.5    3 km ( 2 mi) ENE of Obsidian Butte, CA
MAP 3.0  2009/11/17 05:21:32 35.551N 117.283W  3.9   25 km (16 mi) SSE of Trona, CA
MAP 4.6  2009/11/16 13:21:30 35.548N 117.275W  2.1   26 km (16 mi) SSE of Trona, CA
MAP 3.6  2009/11/16 05:54:34 33.415N 116.635W  7.9   16 km (10 mi) SSE of Anza, CA
MAP 3.6  2009/11/15 14:48:37 33.172N 119.302W  6.0   20 km (13 mi) ESE of San Nicolas Is., CA
MAP 4.4  2009/11/15 14:45:27 33.166N 119.302W  6.0   21 km (13 mi) ESE of San Nicolas Is., CA
MAP 3.3  2009/11/14 23:54:22 33.914N 117.059W 13.4    8 km ( 5 mi) W   of Beaumont, CA

Most recent earthquakes are at the top of this list.

[Special maps: Long Valley || Los Angeles || San Francisco || Parkfield]
[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]

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)