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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 1:33:02 PM (PDT) on Tuesday, May 6, 2008.
The magnitude 1.4 event occurred 5 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.4 - duration magnitude (Md)
Time Tuesday, May 6, 2008 at 1:33:02 PM (PDT)
Tuesday, May 6, 2008 at 20:33:02 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) ESE (105 degrees)
Lower Lake, CA - 18 km (11 miles) SW (221 degrees)
Healdsburg, CA - 22 km (14 miles) NNE (28 degrees)
Santa Rosa, CA - 39 km (24 miles) N (356 degrees)
Coordinates 38 deg. 47.2 min. N (38.786N), 122 deg. 44.9 min. W (122.748W)
Depth 2 km (1.2 miles)
Quality Good
Location Quality Parameters Nst= 15, Nph= 15, Dmin=3 km, Rmss=0.04 sec, Erho=0.2 km, Erzz=0.5 km, Gp=97.2 degrees
Event ID# nc40217151
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