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 10:48:06 AM (PDT) on Thursday, July 22, 2021.
The magnitude 1.9 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Thursday, July 22, 2021 at 10:48:06 AM (PDT)
Thursday, July 22, 2021 at 17:48:06 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (306 degrees)
Cobb, CA - 8 km (5 miles) W (263 degrees)
Cloverdale, CA - 17 km (11 miles) E (87 degrees)
Kelseyville, CA - 18 km (11 miles) S (174 degrees)
Middletown, CA - 19 km (12 miles) WNW (291 degrees)
Coordinates 38 deg. 48.8 min. N (38.813N), 122 deg. 49.1 min. W (122.819W)
Depth 2.8 km (1.7 miles)
Quality Excellent
Location Quality Parameters Nst=34, Nph=34, Dmin=1.0 km, Rmss=0.03 sec, Erho=0.19 km, Erzz=0.33 km, Gp=52 degrees
Event ID# nc73597631
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For more information, see https://earthquake.usgs.gov

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