== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, 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 9:14:59 PM (PDT) on Saturday, May 4, 2013.
The magnitude 1.2 event occurred 4 km (3 miles) SW of Obsidian Butte, CA.
The hypocentral depth is 5 km ( 3 miles).

Magnitude		1.2 - local magnitude (Ml)
Time		Saturday, May 4, 2013 at 9:14:59 PM (PDT) Sunday, May 5, 2013 at 4:14:59 (UTC)
Distance from		Obsidian Butte, CA - 4 km (3 miles) SW (229 degrees) Westmorland, CA - 13 km (8 miles) NNW (339 degrees) Calipatria, CA - 15 km (9 miles) W (278 degrees) El Centro, CA - 41 km (25 miles) NNW (344 degrees)
Coordinates		33 deg. 8.7 min. N (33.145N), 115 deg. 40.2 min. W (115.671W)
Depth		5.2 km (3.2 miles)
Quality		Fair
Location Quality Parameters		Nst= 20, Nph= 27, Dmin=3 km, Rmss=0.26 sec, Erho=0.9 km, Erzz=31.6 km, Gp=100.8 degrees
Event ID#		ci15337841
Additional Information		map ||
		Waveforms

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

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