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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 1:50:58 PM (PST) on Thursday, December 6, 2018.
The magnitude 1.2 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.2 - duration magnitude (Md)
Time Thursday, December 6, 2018 at 1:50:58 PM (PST)
Thursday, December 6, 2018 at 21:50:58 (UTC)
Distance from The Geysers, CA - 8 km (5 miles) NW (325 degrees)
Cobb, CA - 8 km (5 miles) W (281 degrees)
Kelseyville, CA - 16 km (10 miles) S (170 degrees)
Cloverdale, CA - 18 km (11 miles) E (80 degrees)
Soda Bay, CA - 19 km (12 miles) S (185 degrees)
Coordinates 38 deg. 50.1 min. N (38.835N), 122 deg. 48.5 min. W (122.808W)
Depth 1.01 km (0.6 miles)
Quality Excellent
Location Quality Parameters Nst=20, Nph=20, Dmin=1.3 km, Rmss=0.06 sec, Erho=0.22 km, Erzz=0.41 km, Gp=53 degrees
Event ID# nc73119696
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