== PRELIMINARY EARTHQUAKE REPORT ==

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

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

A micro earthquake occurred at 0:04:44 AM (PST) on Saturday, November 7, 2009.
The magnitude 0.5 event occurred 6 km (4 miles) ENE (67 degrees) of Obsidian Butte, CA.
The hypocentral depth is 0.2 km (0.1 miles).

Magnitude		0.5 - (unknown type)
Time		Saturday, November 7, 2009 at 0:04:44 AM (PST) Saturday, November 7, 2009 at 8:04:44 (UTC)
Distance from		Obsidian Butte, CA - 6 km (4 miles) ENE (67 degrees) Niland, CA - 8 km (5 miles) SW (227 degrees) Calipatria, CA - 9 km (6 miles) NW (320 degrees) El Centro, CA - 44 km (27 miles) N (357 degrees)
Coordinates		33 deg. 11.4 min. N (33.191N), 115 deg. 34.8 min. W (115.580W)
Depth		0.2 km (0.1 miles)
Quality		Fair
Location Quality Parameters		Nst=013, Nph=013, Dmin=2 km, Rmss=0.08 sec, Erho=0.4 km, Erzz=31.6 km, Gp=136.8 degrees
Event ID#		ci10493301
Additional Information		map ||
		Waveforms

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

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