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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 1:55:41 PM (PDT) on Friday, May 22, 2020.
The magnitude 0.4 event occurred 5 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km (0.5 miles).



Magnitude 0.4 - duration magnitude (Md)
Time Friday, May 22, 2020 at 1:55:41 PM (PDT)
Friday, May 22, 2020 at 20:55:41 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) NNW (336 degrees)
Cobb, CA - 5 km (3 miles) W (270 degrees)
Middletown, CA - 16 km (10 miles) WNW (298 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (164 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (237 degrees)
Coordinates 38 deg. 49.3 min. N (38.822N), 122 deg. 46.9 min. W (122.782W)
Depth 0.87 km (0.5 miles)
Quality Excellent
Location Quality Parameters Nst=8, Nph=8, Dmin=1.0 km, Rmss=0.01 sec, Erho=0.46 km, Erzz=1.27 km, Gp=66 degrees
Event ID# nc73393516
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