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

A micro earthquake occurred at 8:20:48 AM (PDT) on Friday, October 4, 2013.
The magnitude 0.9 event occurred 6 km (3 miles) SSE of Yucaipa, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 0.9 - local magnitude (Ml)
Time Friday, October 4, 2013 at 8:20:48 AM (PDT)
Friday, October 4, 2013 at 15:20:48 (UTC)
Distance from Yucaipa, CA - 6 km (3 miles) SSE (158 degrees)
Beaumont, CA - 7 km (4 miles) NNW (334 degrees)
Banning, CA - 14 km (9 miles) WNW (299 degrees)
San Bernardino, CA - 29 km (18 miles) ESE (117 degrees)
Coordinates 33 deg. 59.2 min. N (33.987N), 117 deg. 0.6 min. W (117.011W)
Depth 10.1 km (6.3 miles)
Quality Excellent
Location Quality Parameters Nst= 21, Nph= 35, Dmin=9 km, Rmss=0.12 sec, Erho=0.4 km, Erzz=1.2 km, Gp=68.4 degrees
Event ID# ci11372954
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