== PRELIMINARY EARTHQUAKE REPORT ==

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

Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 3:11:57 AM (PDT) on Thursday, October 3, 2013.
The magnitude 0.9 event occurred 10 km (6 miles) NNE (17 degrees) of Upland, CA.
The hypocentral depth is 4 km ( 3 miles).

Magnitude		0.9 - local magnitude (Ml)
Time		Thursday, October 3, 2013 at 3:11:57 AM (PDT) Thursday, October 3, 2013 at 10:11:57 (UTC)
Distance from		Upland, CA - 10 km (6 miles) NNE (17 degrees) Rancho Cucamonga, CA - 10 km (6 miles) NNW (347 degrees) Mt. Baldy, CA - 11 km (7 miles) SSE (165 degrees) San Bernardino, CA - 31 km (19 miles) WNW (288 degrees)
Coordinates		34 deg. 11.5 min. N (34.192N), 117 deg. 37.1 min. W (117.618W)
Depth		4.3 km (2.7 miles)
Quality		Good
Location Quality Parameters		Nst= 14, Nph= 21, Dmin=6 km, Rmss=0.11 sec, Erho=0.3 km, Erzz=0.6 km, Gp=93.6 degrees
Event ID#		ci11372586
Additional Information		map ||
		Waveforms

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

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