== 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 3:17:36 AM (PDT) on Thursday, May 8, 2008.
The magnitude 1.8 event occurred 5 km (3 miles) NW of Fontana, CA.
The hypocentral depth is 8 km ( 5 miles).

Magnitude		1.8 - local magnitude (Ml)
Time		Thursday, May 8, 2008 at 3:17:36 AM (PDT) Thursday, May 8, 2008 at 10:17:36 (UTC)
Distance from		Fontana, CA - 5 km (3 miles) NW (305 degrees) Rancho Cucamonga, CA - 11 km (7 miles) ENE (73 degrees) Rialto, CA - 11 km (7 miles) WNW (287 degrees) San Bernardino, CA - 18 km (11 miles) W (280 degrees)
Coordinates		34 deg. 8.1 min. N (34.135N), 117 deg. 29.0 min. W (117.484W)
Depth		7.5 km (4.7 miles)
Quality		Good
Location Quality Parameters		Nst=072, Nph=072, Dmin=6 km, Rmss=0.31 sec, Erho=0.3 km, Erzz=1 km, Gp=46.8 degrees
Event ID#		ci14367084
Additional Information		map ||
		Waveforms

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

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