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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #0: 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 12:24:04 PM (PDT) on Monday, September 30, 2013.
The magnitude 0.5 event occurred 5 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.5 - duration magnitude (Md)
Time Monday, September 30, 2013 at 12:24:04 PM (PDT)
Monday, September 30, 2013 at 19:24:04 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) NNW (341 degrees)
Kelseyville, CA - 15 km (9 miles) S (176 degrees)
Cloverdale, CA - 17 km (11 miles) ENE (76 degrees)
Santa Rosa, CA - 46 km (28 miles) NNW (348 degrees)
Coordinates 38 deg. 50.6 min. N (38.843N), 122 deg. 49.5 min. W (122.826W)
Depth 2.2 km (1.4 miles)
Quality Excellent
Location Quality Parameters Nst= 13, Nph= 13, Dmin=1 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.7 km, Gp=72 degrees
Event ID# nc72079116
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