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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake earthquake occurred at 8:08:58 PM (PDT) on Monday, July 27, 2020.
The magnitude -0.0 event occurred 7 km (4 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).



Magnitude -0.0 - duration magnitude (Md)
Time Monday, July 27, 2020 at 8:08:58 PM (PDT)
Tuesday, July 28, 2020 at 3:08:58 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) WNW (300 degrees)
Cobb, CA - 9 km (5 miles) W (259 degrees)
Cloverdale, CA - 17 km (10 miles) E (89 degrees)
Kelseyville, CA - 19 km (12 miles) S (176 degrees)
Middletown, CA - 19 km (12 miles) WNW (289 degrees)
Coordinates 38 deg. 48.4 min. N (38.807N), 122 deg. 49.4 min. W (122.823W)
Depth 2.42 km (1.5 miles)
Quality Excellent
Location Quality Parameters Nst=13, Nph=13, Dmin=1.8 km, Rmss=0.02 sec, Erho=0.27 km, Erzz=0.77 km, Gp=66 degrees
Event ID# nc73434651
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