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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 5:15:19 AM (PDT) on Wednesday, October 10, 2018.
The magnitude 0.9 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 5:15:19 AM (PDT)
Wednesday, October 10, 2018 at 12:15:19 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (311 degrees)
Cobb, CA - 8 km (5 miles) W (268 degrees)
Cloverdale, CA - 17 km (11 miles) E (85 degrees)
Kelseyville, CA - 18 km (11 miles) S (174 degrees)
Middletown, CA - 19 km (12 miles) WNW (293 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 49.1 min. W (122.818W)
Depth 2.14 km (1.3 miles)
Quality Good
Location Quality Parameters Nst=7, Nph=7, Dmin=0.8 km, Rmss=0.01 sec, Erho=0.54 km, Erzz=0.94 km, Gp=125 degrees
Event ID# nc73095791
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