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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 9:24:22 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 0.5 event occurred 1 km (0 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 9:24:22 AM (PDT)
Wednesday, May 8, 2013 at 16:24:22 (UTC)
Distance from The Geysers, CA - 1 km (0 miles) NW (321 degrees)
Cloverdale, CA - 18 km (11 miles) E (91 degrees)
Kelseyville, CA - 20 km (12 miles) S (173 degrees)
Santa Rosa, CA - 41 km (26 miles) NNW (348 degrees)
Coordinates 38 deg. 48.2 min. N (38.803N), 122 deg. 48.7 min. W (122.811W)
Depth 3.6 km (2.2 miles)
Quality Good
Location Quality Parameters Nst= 10, Nph= 10, Dmin=2 km, Rmss=0.05 sec, Erho=0.4 km, Erzz=0.9 km, Gp=97.2 degrees
Event ID# nc71988041
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