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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 = Sun Apr 20 16:00:01 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
 1.0  2014/04/20 09:37:49 39.685N 119.826W 10.4   17 km (11 mi) N   of Reno, NV
 1.4  2014/04/20 08:48:53 39.683N 119.822W 10.0   17 km (11 mi) N   of Reno, NV
 0.9  2014/04/19 22:44:45 39.645N 119.295W 11.7    6 km ( 3 mi) NW  of Fernley, NV
 0.2  2014/04/18 17:02:41 39.522N 120.323W  2.1   19 km (12 mi) SSW of Loyalton, CA
 0.4  2014/04/15 17:36:35 39.248N 120.492W  0.0   28 km (18 mi) WSW of Truckee, CA
 0.3  2014/04/15 01:57:26 39.240N 120.479W  0.0   27 km (17 mi) WSW of Truckee, CA
 0.8  2014/04/14 20:12:08 39.592N 120.679W  9.6   30 km (19 mi) SW  of Portola, CA
 0.5  2014/04/14 14:37:25 39.527N 120.722W  3.8   38 km (24 mi) SW  of Portola, CA
 0.1  2014/04/14 05:24:47 39.404N 120.207W 11.7    9 km ( 5 mi) NNW of Truckee, CA
 0.9  2014/04/14 03:12:59 39.961N 119.528W  9.0   26 km (16 mi) WSW of Nightingale, NV
 0.2  2014/04/14 03:12:18 38.364N 119.328W 10.7   15 km ( 9 mi) NW  of Bridgeport, CA
 0.5  2014/04/13 20:52:58 39.235N 120.082W  7.4    5 km ( 3 mi) W   of Kings Beach, CA

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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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