== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California

Version #2: 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 10:59:45 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 1.2 event occurred 3 km (2 miles) E (96 degrees) of Obsidian Butte, CA.
The hypocentral depth is 1 km ( 1 mile).

Magnitude		1.2 - local magnitude (Ml)
Time		Tuesday, May 7, 2013 at 10:59:45 PM (PDT) Wednesday, May 8, 2013 at 5:59:45 (UTC)
Distance from		Obsidian Butte, CA - 3 km (2 miles) E (96 degrees) Calipatria, CA - 9 km (6 miles) WNW (299 degrees) Niland, CA - 11 km (7 miles) SW (225 degrees) El Centro, CA - 42 km (26 miles) N (354 degrees)
Coordinates		33 deg. 10.0 min. N (33.167N), 115 deg. 36.1 min. W (115.602W)
Depth		0.9 km (0.6 miles)
Quality		Excellent
Location Quality Parameters		Nst= 11, Nph= 11, Dmin=1 km, Rmss=0.03 sec, Erho=0.6 km, Erzz=1.3 km, Gp=72 degrees
Event ID#		ci15339281
Additional Information		map ||
		Waveforms

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

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