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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 3:07:40 AM (PDT) on Monday, September 30, 2013.
The magnitude 1.0 event occurred 2 km (2 miles) N of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.0 - duration magnitude (Md)
Time Monday, September 30, 2013 at 3:07:40 AM (PDT)
Monday, September 30, 2013 at 10:07:40 (UTC)
Distance from The Geysers, CA - 2 km (2 miles) N (351 degrees)
Cloverdale, CA - 18 km (11 miles) E (85 degrees)
Kelseyville, CA - 18 km (11 miles) S (172 degrees)
Santa Rosa, CA - 43 km (27 miles) N (349 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 48.7 min. W (122.811W)
Depth 2.2 km (1.4 miles)
Quality Good
Location Quality Parameters Nst= 13, Nph= 13, Dmin=4 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.8 km, Gp=126 degrees
Event ID# nc72078986
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