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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 10:06:53 AM (PDT) on Wednesday, May 8, 2013.
The magnitude 1.9 event occurred 2 km (1 miles) NE (37 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.9 - duration magnitude (Md)
Time Wednesday, May 8, 2013 at 10:06:53 AM (PDT)
Wednesday, May 8, 2013 at 17:06:53 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NE (37 degrees)
Cloverdale, CA - 19 km (12 miles) E (88 degrees)
Kelseyville, CA - 19 km (12 miles) SSE (168 degrees)
Santa Rosa, CA - 42 km (26 miles) N (350 degrees)
Coordinates 38 deg. 48.7 min. N (38.811N), 122 deg. 47.7 min. W (122.794W)
Depth 3.4 km (2.1 miles)
Quality Excellent
Location Quality Parameters Nst= 40, Nph= 40, Dmin=0 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.4 km, Gp=28.8 degrees
Event ID# nc71988046
Additional Information map || waveforms
   Waveforms
NCSS First Motion Mechanism 1

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