== PRELIMINARY EARTHQUAKE REPORT ==

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

Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:19:37 PM (PDT) on Wednesday, May 1, 2013.
The magnitude 2.5 event occurred 4 km (3 miles) NNW of Punta Gorda, CA.
The hypocentral depth is 9 km ( 5 miles).

Magnitude		2.5 - duration magnitude (Md)
Time		Wednesday, May 1, 2013 at 9:19:37 PM (PDT) Thursday, May 2, 2013 at 4:19:37 (UTC)
Distance from		Punta Gorda, CA - 4 km (3 miles) NNW (342 degrees) Petrolia, CA - 8 km (5 miles) WSW (247 degrees) Rio Dell, CA - 32 km (20 miles) SW (225 degrees) Eureka, CA - 59 km (37 miles) SSW (198 degrees)
Coordinates		40 deg. 17.8 min. N (40.296N), 124 deg. 22.6 min. W (124.376W)
Depth		8.7 km (5.4 miles)
Quality		Fair
Location Quality Parameters		Nst= 22, Nph= 22, Dmin=8 km, Rmss=0.19 sec, Erho=0.8 km, Erzz=0.6 km, Gp=237.6 degrees
Event ID#		nc71980540
Additional Information		map || waveforms
		Waveforms

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

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