Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:02:36 PM (PDT) on Monday, September 13, 2021.
The magnitude 1.2 event occurred 2 km (1 miles) WNW of Redwood Valley, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Monday, September 13, 2021 at 4:02:36 PM (PDT)
Monday, September 13, 2021 at 23:02:36 (UTC)
Distance from Redwood Valley, CA - 2 km (1 miles) WNW (287 degrees)
Ukiah, CA - 14 km (8 miles) N (353 degrees)
Talmage, CA - 16 km (10 miles) NNW (342 degrees)
Willits, CA - 19 km (12 miles) SE (144 degrees)
Brooktrails, CA - 24 km (15 miles) SE (145 degrees)
Coordinates 39 deg. 16.2 min. N (39.271N), 123 deg. 13.6 min. W (123.227W)
Depth 4.79 km (3.0 miles)
Quality Excellent
Location Quality Parameters Nst=11, Nph=14, Dmin=4.6 km, Rmss=0.05 sec, Erho=0.39 km, Erzz=0.64 km, Gp=78 degrees
Event ID# nc73624551
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For more information, see https://earthquake.usgs.gov

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