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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 8:14:21 PM (PDT) on Saturday, May 4, 2013.
The magnitude 1.2 event occurred 3 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.2 - duration magnitude (Md)
Time Saturday, May 4, 2013 at 8:14:21 PM (PDT)
Sunday, May 5, 2013 at 3:14:21 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) N (357 degrees)
Kelseyville, CA - 17 km (11 miles) S (171 degrees)
Cloverdale, CA - 18 km (11 miles) E (84 degrees)
Santa Rosa, CA - 43 km (27 miles) N (349 degrees)
Coordinates 38 deg. 49.4 min. N (38.823N), 122 deg. 48.5 min. W (122.808W)
Depth 3.3 km (2.1 miles)
Quality Excellent
Location Quality Parameters Nst= 25, Nph= 25, Dmin=2 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.5 km, Gp=46.8 degrees
Event ID# nc71985656
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