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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 8:29:39 PM (PDT) on Saturday, May 4, 2013.
The magnitude 0.6 event occurred 4 km (3 miles) NE (43 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.6 - duration magnitude (Md)
Time Saturday, May 4, 2013 at 8:29:39 PM (PDT)
Sunday, May 5, 2013 at 3:29:39 (UTC)
Distance from The Geysers, CA - 4 km (3 miles) NE (43 degrees)
Lower Lake, CA - 17 km (11 miles) WSW (237 degrees)
Kelseyville, CA - 18 km (11 miles) SSE (162 degrees)
Santa Rosa, CA - 43 km (27 miles) N (353 degrees)
Coordinates 38 deg. 49.5 min. N (38.826N), 122 deg. 46.5 min. W (122.774W)
Depth 3 km (1.9 miles)
Quality Good
Location Quality Parameters Nst= 7, Nph= 7, Dmin=1 km, Rmss=0.05 sec, Erho=1 km, Erzz=1.7 km, Gp=154.8 degrees
Event ID# nc71985661
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