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== 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 3:21:28 PM (PDT) on Friday, May 22, 2020.
The magnitude 0.9 event occurred 3 km (2 miles) SE of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.9 - duration magnitude (Md)
Time Friday, May 22, 2020 at 3:21:28 PM (PDT)
Friday, May 22, 2020 at 22:21:28 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) SE (129 degrees)
Cobb, CA - 7 km (4 miles) S (182 degrees)
Middletown, CA - 10 km (6 miles) W (274 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) WSW (249 degrees)
Lower Lake, CA - 20 km (12 miles) SSW (211 degrees)
Coordinates 38 deg. 45.5 min. N (38.758N), 122 deg. 43.5 min. W (122.726W)
Depth 2.86 km (1.8 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=17, Dmin=0.4 km, Rmss=0.03 sec, Erho=0.31 km, Erzz=0.5 km, Gp=112 degrees
Event ID# nc73393566
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