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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 8:17:29 AM (PDT) on Thursday, October 3, 2013.
The magnitude 0.5 event occurred 6 km (4 miles) ESE of The Geysers, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 0.5 - duration magnitude (Md)
Time Thursday, October 3, 2013 at 8:17:29 AM (PDT)
Thursday, October 3, 2013 at 15:17:29 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) ESE (112 degrees)
Lower Lake, CA - 19 km (12 miles) SW (218 degrees)
Healdsburg, CA - 22 km (13 miles) NNE (30 degrees)
Santa Rosa, CA - 38 km (23 miles) N (356 degrees)
Coordinates 38 deg. 46.7 min. N (38.778N), 122 deg. 44.5 min. W (122.742W)
Depth 5.7 km (3.5 miles)
Quality Good
Location Quality Parameters Nst= 8, Nph= 8, Dmin=2 km, Rmss=0.03 sec, Erho=0.6 km, Erzz=1.8 km, Gp=122.4 degrees
Event ID# nc72080591
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