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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 12:47:52 PM (PDT) on Tuesday, September 15, 2020.
The magnitude 0.9 event occurred 2 km (1 miles) N of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, September 15, 2020 at 12:47:52 PM (PDT)
Tuesday, September 15, 2020 at 19:47:52 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) N (350 degrees)
Cobb, CA - 4 km (3 miles) SW (226 degrees)
Middletown, CA - 13 km (8 miles) WNW (291 degrees)
Lower Lake, CA - 18 km (11 miles) SW (225 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (265 degrees)
Coordinates 38 deg. 47.7 min. N (38.795N), 122 deg. 45.6 min. W (122.760W)
Depth 0.89 km (0.6 miles)
Quality Excellent
Location Quality Parameters Nst=8, Nph=8, Dmin=0.7 km, Rmss=0.03 sec, Erho=0.4 km, Erzz=0.91 km, Gp=69 degrees
Event ID# nc73458421
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