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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 5:02:10 PM (PDT) on Thursday, July 30, 2020.
The magnitude 1.0 event occurred 9 km (6 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.0 - duration magnitude (Md)
Time Thursday, July 30, 2020 at 5:02:10 PM (PDT)
Friday, July 31, 2020 at 0:02:10 (UTC)
Distance from The Geysers, CA - 9 km (6 miles) NW (315 degrees)
Cobb, CA - 9 km (6 miles) W (280 degrees)
Cloverdale, CA - 16 km (10 miles) ENE (78 degrees)
Kelseyville, CA - 16 km (10 miles) S (177 degrees)
Soda Bay, CA - 19 km (12 miles) S (191 degrees)
Coordinates 38 deg. 50.2 min. N (38.836N), 122 deg. 49.9 min. W (122.831W)
Depth 1.93 km (1.2 miles)
Quality Excellent
Location Quality Parameters Nst=22, Nph=22, Dmin=1.5 km, Rmss=0.02 sec, Erho=0.19 km, Erzz=0.48 km, Gp=77 degrees
Event ID# nc73436151
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