Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 1:21:21 AM (PDT) on Thursday, October 14, 2021.
The magnitude 1.0 event occurred 7 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - duration magnitude (Md)
Time Thursday, October 14, 2021 at 1:21:21 AM (PDT)
Thursday, October 14, 2021 at 8:21:21 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NNW (327 degrees)
Cobb, CA - 7 km (4 miles) W (278 degrees)
Kelseyville, CA - 17 km (10 miles) S (169 degrees)
Middletown, CA - 18 km (11 miles) WNW (298 degrees)
Cloverdale, CA - 19 km (12 miles) E (81 degrees)
Coordinates 38 deg. 49.8 min. N (38.831N), 122 deg. 48.1 min. W (122.802W)
Depth 1.68 km (1.0 miles)
Quality Excellent
Location Quality Parameters Nst=14, Nph=14, Dmin=1.1 km, Rmss=0.01 sec, Erho=0.3 km, Erzz=0.51 km, Gp=55 degrees
Event ID# nc73639415
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For more information, see https://earthquake.usgs.gov

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