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

A micro earthquake occurred at 8:00:51 AM (PDT) on Friday, May 3, 2013.
The magnitude 1.2 event occurred 16 km (10 miles) SE of Julian, CA.
The hypocentral depth is 6 km ( 4 miles).



Magnitude 1.2 - local magnitude (Ml)
Time Friday, May 3, 2013 at 8:00:51 AM (PDT)
Friday, May 3, 2013 at 15:00:51 (UTC)
Distance from Julian, CA - 16 km (10 miles) SE (126 degrees)
Borrego Springs, CA - 30 km (19 miles) SSW (195 degrees)
Mesa Grande, CA - 35 km (22 miles) SE (126 degrees)
San Diego, CA - 73 km (45 miles) ENE (65 degrees)
Coordinates 32 deg. 59.6 min. N (32.993N), 116 deg. 27.5 min. W (116.459W)
Depth 5.9 km (3.7 miles)
Quality Fair
Location Quality Parameters Nst= 21, Nph= 31, Dmin=12 km, Rmss=0.18 sec, Erho=0.6 km, Erzz=4.1 km, Gp=154.8 degrees
Event ID# ci15336937
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