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 11:49:05 PM (PST) on Saturday, February 20, 2021.
The magnitude 0.8 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Saturday, February 20, 2021 at 11:49:05 PM (PST)
Sunday, February 21, 2021 at 7:49:05 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (122 degrees)
Cobb, CA - 7 km (4 miles) S (177 degrees)
Middletown, CA - 9 km (6 miles) W (275 degrees)
Hidden Valley Lake, CA - 15 km (9 miles) WSW (249 degrees)
Lower Lake, CA - 19 km (12 miles) SSW (209 degrees)
Coordinates 38 deg. 45.6 min. N (38.759N), 122 deg. 43.1 min. W (122.719W)
Depth 1.55 km (1.0 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=7, Dmin=0.6 km, Rmss=0.02 sec, Erho=0.43 km, Erzz=0.53 km, Gp=115 degrees
Event ID# nc73525861
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For more information, see https://earthquake.usgs.gov

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