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 2:22:45 PM (PDT) on Tuesday, July 20, 2021.
The magnitude 1.0 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Tuesday, July 20, 2021 at 2:22:45 PM (PDT)
Tuesday, July 20, 2021 at 21:22:45 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (309 degrees)
Cobb, CA - 8 km (5 miles) W (266 degrees)
Cloverdale, CA - 17 km (11 miles) E (86 degrees)
Kelseyville, CA - 18 km (11 miles) S (174 degrees)
Middletown, CA - 19 km (12 miles) WNW (292 degrees)
Coordinates 38 deg. 49.0 min. N (38.817N), 122 deg. 49.1 min. W (122.818W)
Depth 2.44 km (1.5 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=19, Dmin=1.0 km, Rmss=0.02 sec, Erho=0.24 km, Erzz=0.72 km, Gp=48 degrees
Event ID# nc73596311
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For more information, see https://earthquake.usgs.gov

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