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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 = Wed Jul 30 8:00:04 PDT 2014
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
 2.1  2014/07/29 03:42:33 40.597N 124.109W 17.9    4 km ( 3 mi) E   of Fortuna, CA
 1.6  2014/07/28 13:35:49 40.414N 124.380W 18.1   13 km ( 8 mi) NW  of Petrolia, CA
 1.9  2014/07/28 13:29:30 40.596N 124.106W 18.2    4 km ( 3 mi) E   of Fortuna, CA
 3.3  2014/07/28 13:01:14 40.590N 124.090W 18.3    5 km ( 3 mi) N   of Hydesville, CA
 1.8  2014/07/28 12:57:40 40.594N 124.103W 18.2    5 km ( 3 mi) E   of Fortuna, CA
 2.1  2014/07/25 00:58:13 40.584N 124.086W 17.3    4 km ( 3 mi) NNE of Hydesville, CA
 1.9  2014/07/24 01:32:46 40.605N 124.125W 17.7    3 km ( 2 mi) ENE of Fortuna, CA
 1.9  2014/07/23 20:22:46 40.590N 124.088W 15.2    5 km ( 3 mi) N   of Hydesville, 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)



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