== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:28:24 PM (PDT) on Monday, May 6, 2013.
The magnitude 2.2 event occurred 12 km (8 miles) NW of Quincy, CA.
The hypocentral depth is 9 km ( 6 miles).

Magnitude		2.2 - duration magnitude (Md)
Time		Monday, May 6, 2013 at 9:28:24 PM (PDT) Tuesday, May 7, 2013 at 4:28:24 (UTC)
Distance from		Quincy, CA - 12 km (8 miles) NW (321 degrees) Greenville, CA - 15 km (9 miles) SSW (210 degrees) Westwood, CA - 32 km (20 miles) S (185 degrees) Susanville, CA - 55 km (34 miles) SW (217 degrees)
Coordinates		40 deg. 1.4 min. N (40.024N), 121 deg. 2.3 min. W (121.038W)
Depth		8.9 km (5.5 miles)
Quality		Good
Location Quality Parameters		Nst= 52, Nph= 52, Dmin=13 km, Rmss=0.12 sec, Erho=0.2 km, Erzz=0.7 km, Gp=64.8 degrees
Event ID#		nc71986906
Additional Information		map || waveforms
		Waveforms NCSS First Motion Mechanism 1

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

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