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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:49:59 AM (PDT) on Friday, May 3, 2013.
The magnitude 2.1 event occurred 2 km (1 miles) NE (46 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 2.1 - duration magnitude (Md)
Time Friday, May 3, 2013 at 9:49:59 AM (PDT)
Friday, May 3, 2013 at 16:49:59 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NE (46 degrees)
Cloverdale, CA - 19 km (12 miles) E (89 degrees)
Kelseyville, CA - 19 km (12 miles) SSE (168 degrees)
Santa Rosa, CA - 42 km (26 miles) N (350 degrees)
Coordinates 38 deg. 48.5 min. N (38.808N), 122 deg. 47.6 min. W (122.794W)
Depth 1.8 km (1.1 miles)
Quality Excellent
Location Quality Parameters Nst= 28, Nph= 28, Dmin=0 km, Rmss=0.06 sec, Erho=0.1 km, Erzz=0.2 km, Gp=39.6 degrees
Event ID# nc71984831
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Waveforms
NCSS First Motion Mechanism 1
NCSS First Motion Mechanism 2

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