== PRELIMINARY EARTHQUAKE REPORT ==

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

Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:19:58 AM (PDT) on Saturday, May 4, 2013.
The magnitude 1.0 event occurred 2 km (1 miles) WSW of San Bernardino, CA.
The hypocentral depth is 17 km (10 miles).

Magnitude		1.0 - local magnitude (Ml)
Time		Saturday, May 4, 2013 at 8:19:58 AM (PDT) Saturday, May 4, 2013 at 15:19:58 (UTC)
Distance from		San Bernardino, CA - 2 km (1 miles) WSW (253 degrees) Rialto, CA - 5 km (3 miles) E (97 degrees) Loma Linda, CA - 8 km (5 miles) NW (316 degrees) Fontana, CA - 11 km (7 miles) E (93 degrees)
Coordinates		34 deg. 6.1 min. N (34.101N), 117 deg. 19.0 min. W (117.316W)
Depth		16.6 km (10.3 miles)
Quality		Good
Location Quality Parameters		Nst= 33, Nph= 47, Dmin=11 km, Rmss=0.17 sec, Erho=0.4 km, Erzz=0.7 km, Gp=50.4 degrees
Event ID#		ci15337577
Additional Information		map ||
		Waveforms

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

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