== PRELIMINARY EARTHQUAKE REPORT ==

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

Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 3:17:59 AM (PDT) on Wednesday, October 2, 2013.
The magnitude 0.4 event occurred 3 km (2 miles) E (83 degrees) of Obsidian Butte, CA.
The hypocentral depth is 0.1 km (0.1 miles).

Magnitude		0.4 - (unknown type)
Time		Wednesday, October 2, 2013 at 3:17:59 AM (PDT) Wednesday, October 2, 2013 at 10:17:59 (UTC)
Distance from		Obsidian Butte, CA - 3 km (2 miles) E (83 degrees) Calipatria, CA - 10 km (6 miles) WNW (303 degrees) Niland, CA - 11 km (7 miles) SW (227 degrees) El Centro, CA - 43 km (26 miles) N (354 degrees)
Coordinates		33 deg. 10.4 min. N (33.174N), 115 deg. 36.1 min. W (115.602W)
Depth		0.1 km (0.1 miles)
Quality		Good
Location Quality Parameters		Nst= 12, Nph= 14, Dmin=1 km, Rmss=0.19 sec, Erho=0.7 km, Erzz=31.6 km, Gp=75.6 degrees
Event ID#		ci11372314
Additional Information		map ||
		Waveforms

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

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