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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 7:58:24 PM (PDT) on Wednesday, October 2, 2013.
The magnitude 0.9 event occurred 12 km (7 miles) NE (40 degrees) of Yucaipa, CA.
The hypocentral depth is 11 km ( 7 miles).



Magnitude 0.9 - local magnitude (Ml)
Time Wednesday, October 2, 2013 at 7:58:24 PM (PDT)
Thursday, October 3, 2013 at 2:58:24 (UTC)
Distance from Yucaipa, CA - 12 km (7 miles) NE (40 degrees)
Mt. San Gorgonio, CA - 12 km (7 miles) W (277 degrees)
town of Big Bear Lake, CA - 15 km (9 miles) SSW (195 degrees)
San Bernardino, CA - 32 km (20 miles) E (89 degrees)
Coordinates 34 deg. 6.8 min. N (34.113N), 116 deg. 57.2 min. W (116.953W)
Depth 11.2 km (7.0 miles)
Quality Excellent
Location Quality Parameters Nst= 36, Nph= 52, Dmin=3 km, Rmss=0.14 sec, Erho=0.3 km, Erzz=0.6 km, Gp=46.8 degrees
Event ID# ci11372522
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