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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 1:15:40 AM (PDT) on Friday, October 4, 2013.
The magnitude 1.1 event occurred 30 km (18 miles) SSW of Ocotillo Wells, CA.
The hypocentral depth is 11 km ( 7 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Friday, October 4, 2013 at 1:15:40 AM (PDT)
Friday, October 4, 2013 at 8:15:40 (UTC)
Distance from Ocotillo Wells, CA - 30 km (18 miles) SSW (206 degrees)
Ocotillo, CA - 32 km (20 miles) NW (306 degrees)
Julian, CA - 37 km (23 miles) ESE (122 degrees)
El Centro, CA - 68 km (42 miles) W (281 degrees)
Coordinates 32 deg. 54.2 min. N (32.904N), 116 deg. 16.1 min. W (116.268W)
Depth 10.8 km (6.7 miles)
Quality Good
Location Quality Parameters Nst= 22, Nph= 34, Dmin=2 km, Rmss=0.2 sec, Erho=0.4 km, Erzz=0.9 km, Gp=86.4 degrees
Event ID# ci11372850
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