== 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 11:30:09 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 1.9 event occurred 18 km (11 miles) WNW of Punta Gorda, CA.
The hypocentral depth is 21 km (13 miles).

Magnitude		1.9 - duration magnitude (Md)
Time		Tuesday, May 7, 2013 at 11:30:09 PM (PDT) Wednesday, May 8, 2013 at 6:30:09 (UTC)
Distance from		Punta Gorda, CA - 18 km (11 miles) WNW (282 degrees) Petrolia, CA - 24 km (15 miles) W (262 degrees) Ferndale, CA - 41 km (25 miles) SW (219 degrees) Eureka, CA - 66 km (41 miles) SSW (211 degrees)
Coordinates		40 deg. 17.7 min. N (40.294N), 124 deg. 34.0 min. W (124.566W)
Depth		20.6 km (12.8 miles)
Quality		Fair
Location Quality Parameters		Nst= 14, Nph= 14, Dmin=26 km, Rmss=0.04 sec, Erho=1.4 km, Erzz=0.5 km, Gp=273.6 degrees
Event ID#		nc71987746
Additional Information		map || waveforms
		Waveforms

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

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