== PRELIMINARY EARTHQUAKE REPORT ==

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

Version #1: 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 8:39:53 PM (PDT) on Saturday, May 3, 2008.
The magnitude 1.4 event occurred 5 km (3 miles) NNE (33 degrees) of Rialto, CA.
The hypocentral depth is 12 km ( 7 miles).

Magnitude		1.4 - local magnitude (Ml)
Time		Saturday, May 3, 2008 at 8:39:53 PM (PDT) Sunday, May 4, 2008 at 3:39:53 (UTC)
Distance from		Rialto, CA - 5 km (3 miles) NNE (33 degrees) San Bernardino, CA - 6 km (4 miles) NW (315 degrees) Fontana, CA - 10 km (6 miles) ENE (64 degrees) Devore, CA - 10 km (6 miles) SSE (147 degrees)
Coordinates		34 deg. 8.7 min. N (34.144N), 117 deg. 20.4 min. W (117.341W)
Depth		11.9 km (7.4 miles)
Quality		Good
Location Quality Parameters		Nst=045, Nph=045, Dmin=16 km, Rmss=0.28 sec, Erho=0.4 km, Erzz=0.8 km, Gp=72 degrees
Event ID#		ci14366164
Additional Information		map ||
		Waveforms

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

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