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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:57:30 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.5 event occurred 5 km (3 miles) N (0 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.5 - duration magnitude (Md)
Time Tuesday, May 7, 2013 at 2:57:30 PM (PDT)
Tuesday, May 7, 2013 at 21:57:30 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) N (0 degrees)
Kelseyville, CA - 16 km (10 miles) S (170 degrees)
Cloverdale, CA - 19 km (12 miles) ENE (78 degrees)
Santa Rosa, CA - 45 km (28 miles) N (350 degrees)
Coordinates 38 deg. 50.4 min. N (38.839N), 122 deg. 48.4 min. W (122.806W)
Depth 2.2 km (1.4 miles)
Quality Excellent
Location Quality Parameters Nst= 25, Nph= 25, Dmin=1 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.3 km, Gp=64.8 degrees
Event ID# nc71987471
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