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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 5:48:36 PM (PDT) on Friday, May 3, 2013.
The magnitude 1.1 event occurred 1 km (1 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).



Magnitude 1.1 - duration magnitude (Md)
Time Friday, May 3, 2013 at 5:48:36 PM (PDT)
Saturday, May 4, 2013 at 0:48:36 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) WNW (302 degrees)
Cloverdale, CA - 17 km (11 miles) E (91 degrees)
Kelseyville, CA - 20 km (12 miles) S (174 degrees)
Santa Rosa, CA - 41 km (26 miles) NNW (348 degrees)
Coordinates 38 deg. 48.2 min. N (38.803N), 122 deg. 48.9 min. W (122.816W)
Depth 2.5 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst= 19, Nph= 19, Dmin=1 km, Rmss=0.05 sec, Erho=0.2 km, Erzz=0.4 km, Gp=68.4 degrees
Event ID# nc71985041
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