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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 6:35:06 AM (PDT) on Friday, May 9, 2008.
The magnitude 1.2 event occurred 7 km (4 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).



Magnitude 1.2 - duration magnitude (Md)
Time Friday, May 9, 2008 at 6:35:06 AM (PDT)
Friday, May 9, 2008 at 13:35:06 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) ESE (117 degrees)
Lower Lake, CA - 19 km (12 miles) SW (214 degrees)
Healdsburg, CA - 21 km (13 miles) NE (34 degrees)
Santa Rosa, CA - 37 km (23 miles) N (357 degrees)
Coordinates 38 deg. 46.2 min. N (38.769N), 122 deg. 43.9 min. W (122.732W)
Depth 1.1 km (0.7 miles)
Quality Excellent
Location Quality Parameters Nst= 10, Nph= 10, Dmin=2 km, Rmss=0.03 sec, Erho=0.3 km, Erzz=0.8 km, Gp=86.4 degrees
Event ID# nc51202407
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