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 3:53:31 PM (PDT) on Wednesday, April 7, 2021.
The magnitude 0.9 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.9 - duration magnitude (Md)
Time Wednesday, April 7, 2021 at 3:53:31 PM (PDT)
Wednesday, April 7, 2021 at 22:53:31 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (118 degrees)
Cobb, CA - 7 km (4 miles) S (176 degrees)
Middletown, CA - 9 km (6 miles) W (276 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. 45.7 min. N (38.761N), 122 deg. 43.1 min. W (122.718W)
Depth 1.57 km (1.0 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.6 km, Rmss=0.03 sec, Erho=0.33 km, Erzz=0.39 km, Gp=114 degrees
Event ID# nc73546545
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