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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 occurred at 1:50:01 AM (PDT) on Wednesday, October 10, 2018.
The magnitude 1.6 event occurred 9 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.6 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 1:50:01 AM (PDT)
Wednesday, October 10, 2018 at 8:50:01 (UTC)
Distance from The Geysers, CA - 9 km (5 miles) NW (318 degrees)
Cobb, CA - 9 km (6 miles) W (280 degrees)
Kelseyville, CA - 16 km (10 miles) S (175 degrees)
Cloverdale, CA - 17 km (11 miles) ENE (78 degrees)
Soda Bay, CA - 19 km (12 miles) S (189 degrees)
Coordinates 38 deg. 50.2 min. N (38.836N), 122 deg. 49.4 min. W (122.824W)
Depth 1.22 km (0.8 miles)
Quality Excellent
Location Quality Parameters Nst=24, Nph=24, Dmin=1.0 km, Rmss=0.03 sec, Erho=0.16 km, Erzz=0.32 km, Gp=61 degrees
Event ID# nc73095681
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