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== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:36:07 AM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.3 event occurred 3 km (2 miles) NE (39 degrees) of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Tuesday, May 7, 2013 at 9:36:07 AM (PDT)
Tuesday, May 7, 2013 at 16:36:07 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NE (39 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (165 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (237 degrees)
Santa Rosa, CA - 43 km (27 miles) N (352 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 47.0 min. W (122.784W)
Depth 3.6 km (2.2 miles)
Quality Excellent
Location Quality Parameters Nst= 22, Nph= 22, Dmin=1 km, Rmss=0.05 sec, Erho=0.3 km, Erzz=0.4 km, Gp=43.2 degrees
Event ID# nc71987301
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