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== 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 10:25:25 PM (PST) on Friday, November 6, 2009.
The magnitude 1.2 event occurred 6 km (4 miles) ENE (64 degrees) of Obsidian Butte, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.2 - local magnitude (Ml)
Time Friday, November 6, 2009 at 10:25:25 PM (PST)
Saturday, November 7, 2009 at 6:25:25 (UTC)
Distance from Obsidian Butte, CA - 6 km (4 miles) ENE (64 degrees)
Niland, CA - 7 km (5 miles) SW (228 degrees)
Calipatria, CA - 9 km (6 miles) NW (322 degrees)
El Centro, CA - 45 km (28 miles) N (357 degrees)
Coordinates 33 deg. 11.6 min. N (33.194N), 115 deg. 34.7 min. W (115.578W)
Depth 2.6 km (1.6 miles)
Quality Good
Location Quality Parameters Nst=018, Nph=018, Dmin=3 km, Rmss=0.19 sec, Erho=0.5 km, Erzz=0.8 km, Gp=64.8 degrees
Event ID# ci10493189
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