== 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 5:12:57 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 0.5 event occurred 1 km (0 miles) SSW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).

Magnitude		0.5 - duration magnitude (Md)
Time		Wednesday, May 1, 2013 at 5:12:57 PM (PDT) Thursday, May 2, 2013 at 0:12:57 (UTC)
Distance from		The Geysers, CA - 1 km (0 miles) SSW (194 degrees) Cloverdale, CA - 18 km (11 miles) E (94 degrees) Healdsburg, CA - 21 km (13 miles) NNE (14 degrees) Santa Rosa, CA - 40 km (25 miles) NNW (348 degrees)
Coordinates		38 deg. 47.5 min. N (38.792N), 122 deg. 48.5 min. W (122.808W)
Depth		3.4 km (2.1 miles)
Quality		Good
Location Quality Parameters		Nst= 8, Nph= 8, Dmin=2 km, Rmss=0.02 sec, Erho=0.4 km, Erzz=1.5 km, Gp=158.4 degrees
Event ID#		nc71980435
Additional Information		map || waveforms
		Waveforms

For more information, see http://quake.wr.usgs.gov/

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