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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 1:25:06 PM (PDT) on Friday, October 4, 2013.
The magnitude 0.2 event occurred 2 km (1 miles) NNW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.2 - duration magnitude (Md)
Time Friday, October 4, 2013 at 1:25:06 PM (PDT)
Friday, October 4, 2013 at 20:25:06 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NNW (337 degrees)
Cloverdale, CA - 17 km (11 miles) E (86 degrees)
Kelseyville, CA - 18 km (11 miles) S (174 degrees)
Santa Rosa, CA - 43 km (26 miles) NNW (348 degrees)
Coordinates 38 deg. 48.9 min. N (38.815N), 122 deg. 48.9 min. W (122.816W)
Depth 3.7 km (2.3 miles)
Quality Excellent
Location Quality Parameters Nst= 8, Nph= 8, Dmin=1 km, Rmss=0.07 sec, Erho=0.6 km, Erzz=1.3 km, Gp=82.8 degrees
Event ID# nc72081046
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