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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 #2: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 9:36:01 PM (PDT) on Tuesday, May 7, 2013.
The magnitude 1.3 event occurred 22 km (13 miles) SW of Ocotillo Wells, CA.
The hypocentral depth is 11 km ( 7 miles).



Magnitude 1.3 - local magnitude (Ml)
Time Tuesday, May 7, 2013 at 9:36:01 PM (PDT)
Wednesday, May 8, 2013 at 4:36:01 (UTC)
Distance from Ocotillo Wells, CA - 22 km (13 miles) SW (232 degrees)
Borrego Springs, CA - 26 km (16 miles) SSE (168 degrees)
Julian, CA - 27 km (17 miles) ESE (103 degrees)
El Centro, CA - 76 km (47 miles) WNW (290 degrees)
Coordinates 33 deg. 1.4 min. N (33.023N), 116 deg. 18.9 min. W (116.315W)
Depth 10.8 km (6.7 miles)
Quality Fair
Location Quality Parameters Nst= 25, Nph= 31, Dmin=18 km, Rmss=0.32 sec, Erho=0.6 km, Erzz=2 km, Gp=93.6 degrees
Event ID# ci15339209
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