Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:39:18 PM (PDT) on Monday, September 13, 2021.
The magnitude 1.3 event occurred 28 km (17 miles) NW of Chester, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.3 - duration magnitude (Md)
Time Monday, September 13, 2021 at 2:39:18 PM (PDT)
Monday, September 13, 2021 at 21:39:18 (UTC)
Distance from Chester, CA - 28 km (17 miles) NW (312 degrees)
Shingletown, CA - 35 km (22 miles) E (93 degrees)
Burney, CA - 48 km (30 miles) SSE (161 degrees)
Greenville, CA - 58 km (36 miles) NW (310 degrees)
Palo Cedro, CA - 65 km (40 miles) E (98 degrees)
Coordinates 40 deg. 28.5 min. N (40.475N), 121 deg. 28.6 min. W (121.477W)
Depth 2.57 km (1.6 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=8, Dmin=3.7 km, Rmss=0.03 sec, Erho=0.42 km, Erzz=0.47 km, Gp=144 degrees
Event ID# nc73624521
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For more information, see https://earthquake.usgs.gov

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