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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 7:28:13 PM (PST) on Thursday, December 6, 2018.
The magnitude 1.1 event occurred 11 km (7 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.1 - duration magnitude (Md)
Time Thursday, December 6, 2018 at 7:28:13 PM (PST)
Friday, December 7, 2018 at 3:28:13 (UTC)
Distance from The Geysers, CA - 11 km (7 miles) WNW (301 degrees)
Cloverdale, CA - 13 km (8 miles) E (79 degrees)
Cobb, CA - 13 km (8 miles) W (274 degrees)
Kelseyville, CA - 17 km (10 miles) S (188 degrees)
Soda Bay, CA - 20 km (13 miles) SSW (199 degrees)
Coordinates 38 deg. 49.7 min. N (38.829N), 122 deg. 52.0 min. W (122.867W)
Depth 2.12 km (1.3 miles)
Quality Excellent
Location Quality Parameters Nst=38, Nph=40, Dmin=0.9 km, Rmss=0.03 sec, Erho=0.16 km, Erzz=0.26 km, Gp=72 degrees
Event ID# nc73119811
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