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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 5:01:48 AM (PDT) on Tuesday, October 1, 2013.
The magnitude 0.3 event occurred 4 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.3 - duration magnitude (Md)
Time Tuesday, October 1, 2013 at 5:01:48 AM (PDT)
Tuesday, October 1, 2013 at 12:01:48 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) ESE (112 degrees)
Lower Lake, CA - 19 km (12 miles) SW (224 degrees)
Healdsburg, CA - 21 km (13 miles) NNE (25 degrees)
Santa Rosa, CA - 39 km (24 miles) N (353 degrees)
Coordinates 38 deg. 47.1 min. N (38.785N), 122 deg. 45.9 min. W (122.765W)
Depth 3.4 km (2.1 miles)
Quality Good
Location Quality Parameters Nst= 10, Nph= 10, Dmin=2 km, Rmss=0.03 sec, Erho=0.3 km, Erzz=1.2 km, Gp=93.6 degrees
Event ID# nc72075975
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