== 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 5:37:54 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 0.5 event occurred 2 km (1 miles) NE (36 degrees) of The Geysers, CA.
The hypocentral depth is 4 km ( 3 miles).

Magnitude		0.5 - duration magnitude (Md)
Time		Tuesday, May 7, 2013 at 5:37:54 PM (PDT) Wednesday, May 8, 2013 at 0:37:54 (UTC)
Distance from		The Geysers, CA - 2 km (1 miles) NE (36 degrees) Cloverdale, CA - 19 km (12 miles) E (88 degrees) Kelseyville, CA - 19 km (12 miles) S (169 degrees) Santa Rosa, CA - 42 km (26 miles) N (350 degrees)
Coordinates		38 deg. 48.6 min. N (38.810N), 122 deg. 47.7 min. W (122.795W)
Depth		4.4 km (2.7 miles)
Quality		Good
Location Quality Parameters		Nst= 8, Nph= 8, Dmin=0 km, Rmss=0.04 sec, Erho=0.6 km, Erzz=1.9 km, Gp=115.2 degrees
Event ID#		nc71987546
Additional Information		map || waveforms
		Waveforms

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

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