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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 4:17:53 AM (PDT) on Thursday, October 15, 2020.
The magnitude 0.7 event occurred 2 km (1 miles) NE (52 degrees) of The Geysers, CA.
The hypocentral depth is -1 km (-0.5 miles).



Magnitude 0.7 - duration magnitude (Md)
Time Thursday, October 15, 2020 at 4:17:53 AM (PDT)
Thursday, October 15, 2020 at 11:17:53 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NE (52 degrees)
Cobb, CA - 4 km (2 miles) SSW (197 degrees)
Middletown, CA - 11 km (7 miles) WNW (292 degrees)
Hidden Valley Lake, CA - 16 km (10 miles) W (263 degrees)
Lower Lake, CA - 17 km (11 miles) SW (219 degrees)
Coordinates 38 deg. 47.4 min. N (38.790N), 122 deg. 44.1 min. W (122.736W)
Depth -0.84 km (-0.5 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=0.7 km, Rmss=0.04 sec, Erho=0.23 km, Erzz=0.81 km, Gp=104 degrees
Event ID# nc73471086
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