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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 9:22:42 AM (PDT) on Friday, August 10, 2018.
The magnitude 1.1 event occurred 6 km (4 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.1 - duration magnitude (Md)
Time Friday, August 10, 2018 at 9:22:42 AM (PDT)
Friday, August 10, 2018 at 16:22:42 (UTC)
Distance from Cobb, CA - 6 km (4 miles) W (281 degrees)
The Geysers, CA - 7 km (4 miles) NNW (333 degrees)
Kelseyville, CA - 17 km (10 miles) SSE (166 degrees)
Middletown, CA - 18 km (11 miles) WNW (300 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (241 degrees)
Coordinates 38 deg. 50.0 min. N (38.833N), 122 deg. 47.6 min. W (122.793W)
Depth 1.86 km (1.2 miles)
Quality Excellent
Location Quality Parameters Nst=14, Nph=14, Dmin=1.8 km, Rmss=0.03 sec, Erho=0.28 km, Erzz=0.51 km, Gp=60 degrees
Event ID# nc73067755
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