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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 8:48:44 AM (PDT) on Monday, May 5, 2008.
The magnitude 1.8 event occurred 9 km (6 miles) N (11 degrees) of The Geysers, CA.
The hypocentral depth is 14 km ( 9 miles).



Magnitude 1.8 - duration magnitude (Md)
Time Monday, May 5, 2008 at 8:48:44 AM (PDT)
Monday, May 5, 2008 at 15:48:44 (UTC)
Distance from The Geysers, CA - 9 km (6 miles) N (11 degrees)
Kelseyville, CA - 12 km (7 miles) SSE (158 degrees)
Lower Lake, CA - 16 km (10 miles) WSW (257 degrees)
Ukiah, CA - 47 km (29 miles) SE (130 degrees)
Coordinates 38 deg. 52.7 min. N (38.878N), 122 deg. 47.2 min. W (122.787W)
Depth 13.8 km (8.6 miles)
Quality Poor
Location Quality Parameters Nst= 8, Nph= 8, Dmin=6 km, Rmss=0.01 sec, Erho=4.5 km, Erzz=6.8 km, Gp=334.8 degrees
Event ID# nc40217077
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