== 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 8:16:50 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 1.0 event occurred 1 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).

Magnitude		1.0 - duration magnitude (Md)
Time		Wednesday, May 1, 2013 at 8:16:50 PM (PDT) Thursday, May 2, 2013 at 3:16:50 (UTC)
Distance from		The Geysers, CA - 1 km (1 miles) NW (306 degrees) Cloverdale, CA - 17 km (11 miles) E (90 degrees) Kelseyville, CA - 19 km (12 miles) S (175 degrees) Santa Rosa, CA - 42 km (26 miles) NNW (347 degrees)
Coordinates		38 deg. 48.3 min. N (38.806N), 122 deg. 49.2 min. W (122.819W)
Depth		2.1 km (1.3 miles)
Quality		Good
Location Quality Parameters		Nst= 16, Nph= 16, Dmin=2 km, Rmss=0.06 sec, Erho=0.3 km, Erzz=0.5 km, Gp=118.8 degrees
Event ID#		nc71980525
Additional Information		map || waveforms
		Waveforms

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

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Did you feel it? || Shake Map North || Relative2Me ]
[ Data Sources || Contacts ]