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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 10:51:57 AM (PDT) on Tuesday, October 1, 2013.
The magnitude 0.9 event occurred 6 km (4 miles) E (79 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.9 - duration magnitude (Md)
Time Tuesday, October 1, 2013 at 10:51:57 AM (PDT)
Tuesday, October 1, 2013 at 17:51:57 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) E (79 degrees)
Lower Lake, CA - 16 km (10 miles) SW (225 degrees)
Clearlake, CA - 19 km (12 miles) SSW (211 degrees)
Santa Rosa, CA - 41 km (26 miles) N (357 degrees)
Coordinates 38 deg. 48.5 min. N (38.809N), 122 deg. 44.4 min. W (122.740W)
Depth 3.2 km (2.0 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 9, Dmin=3 km, Rmss=0.03 sec, Erho=0.3 km, Erzz=1.2 km, Gp=111.6 degrees
Event ID# nc72079501
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