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 5:25:19 PM (PDT) on Friday, September 10, 2021.
The magnitude 0.5 event occurred 2 km (1 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.5 - duration magnitude (Md)
Time Friday, September 10, 2021 at 5:25:19 PM (PDT)
Saturday, September 11, 2021 at 0:25:19 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NNW (335 degrees)
Cobb, CA - 5 km (3 miles) SW (227 degrees)
Middletown, CA - 14 km (9 miles) WNW (289 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (264 degrees)
Lower Lake, CA - 19 km (12 miles) SW (225 degrees)
Coordinates 38 deg. 47.5 min. N (38.792N), 122 deg. 45.9 min. W (122.765W)
Depth 2.95 km (1.8 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=7, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.59 km, Erzz=1.52 km, Gp=93 degrees
Event ID# nc73623326
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For more information, see https://earthquake.usgs.gov

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