Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 1:00:17 AM (PDT) on Monday, April 5, 2021.
The magnitude 0.3 event occurred 30 km (19 miles) NW of Chester, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.3 - duration magnitude (Md)
Time Monday, April 5, 2021 at 1:00:17 AM (PDT)
Monday, April 5, 2021 at 8:00:17 (UTC)
Distance from Chester, CA - 30 km (19 miles) NW (308 degrees)
Shingletown, CA - 32 km (20 miles) E (93 degrees)
Burney, CA - 47 km (29 miles) SSE (165 degrees)
Greenville, CA - 61 km (38 miles) NW (308 degrees)
Palo Cedro, CA - 62 km (39 miles) E (99 degrees)
Coordinates 40 deg. 28.5 min. N (40.475N), 121 deg. 30.9 min. W (121.514W)
Depth 2.79 km (1.7 miles)
Quality Good
Location Quality Parameters Nst=6, Nph=8, Dmin=1.2 km, Rmss=0.03 sec, Erho=0.51 km, Erzz=0.71 km, Gp=138 degrees
Event ID# nc71122954
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For more information, see https://earthquake.usgs.gov

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