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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 7:14:39 PM (PDT) on Thursday, May 2, 2013.
The magnitude 0.7 event occurred 7 km (4 miles) SE of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).



Magnitude 0.7 - duration magnitude (Md)
Time Thursday, May 2, 2013 at 7:14:39 PM (PDT)
Friday, May 3, 2013 at 2:14:39 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) SE (130 degrees)
Healdsburg, CA - 20 km (12 miles) NNE (32 degrees)
Lower Lake, CA - 21 km (13 miles) SW (216 degrees)
Santa Rosa, CA - 36 km (22 miles) N (355 degrees)
Coordinates 38 deg. 45.6 min. N (38.760N), 122 deg. 44.8 min. W (122.747W)
Depth 2.4 km (1.5 miles)
Quality Good
Location Quality Parameters Nst= 9, Nph= 9, Dmin=1 km, Rmss=0.05 sec, Erho=0.5 km, Erzz=0.7 km, Gp=154.8 degrees
Event ID# nc71984426
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