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 5:59:59 AM (PDT) on Tuesday, April 6, 2021.
The magnitude 1.7 event occurred 30 km (18 miles) NNW of Forest Ranch, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Tuesday, April 6, 2021 at 5:59:59 AM (PDT)
Tuesday, April 6, 2021 at 12:59:59 (UTC)
Distance from Forest Ranch, CA - 30 km (18 miles) NNW (342 degrees)
Los Molinos, CA - 30 km (19 miles) ENE (65 degrees)
Gerber, CA - 33 km (20 miles) ENE (74 degrees)
Red Bluff, CA - 39 km (24 miles) E (97 degrees)
Magalia, CA - 40 km (25 miles) NNW (334 degrees)
Coordinates 40 deg. 8.2 min. N (40.136N), 121 deg. 46.9 min. W (121.781W)
Depth 15.85 km (9.8 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=17, Dmin=17.6 km, Rmss=0.08 sec, Erho=0.36 km, Erzz=0.92 km, Gp=135 degrees
Event ID# nc73545970
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For more information, see https://earthquake.usgs.gov

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