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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 Jun 20 0:00:03 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
 1.6 2018/06/19 10:03:35 39.639N 123.540W  7.0    7 km ( 5 mi) SW  of Laytonville, CA
 1.4 2018/06/19 07:03:36 39.276N 122.766W  9.5   18 km (11 mi) NE  of Upper Lake, CA
 2.2 2018/06/18 20:23:46 39.718N 123.502W 14.2    4 km ( 2 mi) NNW of Laytonville, CA
 1.9 2018/06/18 16:11:52 40.112N 122.796W  8.7   35 km (22 mi) WNW of Rancho Tehama Reserve, CA
 1.6 2018/06/17 20:41:05 39.898N 122.686W 10.9   28 km (17 mi) WSW of Rancho Tehama Reserve, CA
 2.1 2018/06/16 03:36:07 39.720N 123.494W 12.6    4 km ( 2 mi) NNW of Laytonville, CA
 1.7 2018/06/15 15:23:59 40.273N 122.770W 10.2   43 km (26 mi) NW  of Rancho Tehama Reserve, CA
 1.8 2018/06/14 11:37:06 39.245N 122.729W  4.3   17 km (11 mi) NE  of Nice, CA
 1.8 2018/06/13 12:00:05 40.747N 122.308W -0.8    1 km ( 0 mi) ESE of Quarry near Mountain Gate (Shasta Res.), CA(Probable quarry explosion)
 1.6 2018/06/13 03:57:21 40.388N 122.103W 13.8   18 km (11 mi) ESE of Anderson, 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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