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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 = Thu Jul 19 12:00:03 PDT 2018
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 2018/07/18 08:31:24 39.209N 120.078W 12.6    3 km ( 2 mi) NE  of Dollar Point, CA
 -0.3 2018/07/18 00:49:11 39.318N 120.153W 10.6    3 km ( 2 mi) ESE of Truckee, CA
 0.0 2018/07/17 23:32:59 39.325N 120.153W 12.9    3 km ( 2 mi) E   of Truckee, CA
 0.4 2018/07/17 20:04:21 39.227N 120.097W  8.4    4 km ( 3 mi) WSW of Tahoe Vista, CA
 2.0 2018/07/17 09:47:51 38.055N 121.951W 19.8    3 km ( 2 mi) NNE of Bay Point, CA
 0.6 2018/07/17 02:30:45 39.666N 120.054W  5.1    7 km ( 4 mi) WSW of Cold Springs, NV
 0.7 2018/07/16 20:05:17 39.437N 120.311W  4.5   16 km (10 mi) NW  of Truckee, CA
 0.6 2018/07/16 19:41:48 39.439N 120.315W  4.5   17 km (10 mi) NW  of Truckee, CA
 -0.3 2018/07/16 18:29:56 39.201N 120.096W  8.8    1 km ( 1 mi) NNE of Dollar Point, CA
 1.5 2018/07/16 10:16:26 38.049N 121.978W 18.4    3 km ( 2 mi) NNW of Bay Point, CA
 0.6 2018/07/16 03:47:24 39.762N 120.659W  4.2   17 km (11 mi) WSW of Portola, CA
 0.0 2018/07/16 02:34:47 39.796N 120.157W  9.5   20 km (12 mi) NW  of Cold Springs, NV
 0.5 2018/07/15 20:25:10 39.795N 120.655W  5.1   16 km (10 mi) W   of Portola, CA
 -0.1 2018/07/15 04:55:37 39.233N 120.096W  8.6    4 km ( 2 mi) W   of Tahoe Vista, CA
 0.6 2018/07/15 04:22:12 39.230N 120.093W  8.5    4 km ( 2 mi) WSW of Tahoe Vista, CA
 0.3 2018/07/15 02:33:29 39.819N 120.731W  7.8   19 km (12 mi) SE  of East Quincy, CA
 0.8 2018/07/15 01:03:33 39.640N 120.683W 10.7   26 km (16 mi) SW  of Portola, CA
 0.5 2018/07/14 15:26:07 39.633N 120.465W  9.4   20 km (12 mi) S   of Portola, CA
 0.6 2018/07/14 05:28:06 39.964N 120.907W 10.8    3 km ( 2 mi) NNW of East Quincy, CA
 1.2 2018/07/14 03:21:43 39.963N 120.892W  8.6    3 km ( 2 mi) N   of East Quincy, CA
 0.3 2018/07/12 22:52:59 39.229N 120.098W  8.1    4 km ( 3 mi) WSW of Tahoe Vista, CA

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Data Sources

US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Southern California - UCSD = University of California, San Diego
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)



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