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== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #1: 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 5:25:49 AM (PDT) on Monday, May 5, 2008.
The magnitude 0.9 event occurred 4 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.9 - duration magnitude (Md)
Time Monday, May 5, 2008 at 5:25:49 AM (PDT)
Monday, May 5, 2008 at 12:25:49 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) NNW (330 degrees)
Cloverdale, CA - 16 km (10 miles) E (81 degrees)
Kelseyville, CA - 17 km (10 miles) S (177 degrees)
Santa Rosa, CA - 44 km (28 miles) NNW (347 degrees)
Coordinates 38 deg. 49.7 min. N (38.828N), 122 deg. 49.7 min. W (122.829W)
Depth 2.2 km (1.4 miles)
Quality Fair
Location Quality Parameters Nst= 9, Nph= 9, Dmin=1 km, Rmss=0.02 sec, Erho=0.7 km, Erzz=0.9 km, Gp=183.6 degrees
Event ID# nc40217071
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