== 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 11:08:00 PM (PDT) on Monday, May 6, 2013.
The magnitude 0.4 event occurred 5 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).

Magnitude		0.4 - duration magnitude (Md)
Time		Monday, May 6, 2013 at 11:08:00 PM (PDT) Tuesday, May 7, 2013 at 6:08:00 (UTC)
Distance from		The Geysers, CA - 5 km (3 miles) ESE (104 degrees) Lower Lake, CA - 18 km (11 miles) SW (221 degrees) Healdsburg, CA - 22 km (14 miles) NNE (28 degrees) Santa Rosa, CA - 39 km (24 miles) N (356 degrees)
Coordinates		38 deg. 47.2 min. N (38.786N), 122 deg. 44.8 min. W (122.747W)
Depth		2 km (1.2 miles)
Quality		Good
Location Quality Parameters		Nst= 8, Nph= 8, Dmin=1 km, Rmss=0.04 sec, Erho=0.4 km, Erzz=0.8 km, Gp=104.4 degrees
Event ID#		nc71986961
Additional Information		map || waveforms
		Waveforms

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

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