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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 8:39:44 PM (PDT) on Tuesday, July 10, 2018.
The magnitude 0.5 event occurred 26 km (16 miles) SSW of Ocotillo Wells, CA.
The hypocentral depth is 13 km ( 8 miles).



Magnitude 0.5 - local magnitude (Ml)
Time Tuesday, July 10, 2018 at 8:39:44 PM (PDT)
Wednesday, July 11, 2018 at 3:39:44 (UTC)
Distance from Ocotillo Wells, CA - 26 km (16 miles) SSW (197 degrees)
Ocotillo, CA - 29 km (18 miles) NW (315 degrees)
Pine Valley, CA - 32 km (20 miles) ENE (69 degrees)
Julian, CA - 40 km (25 miles) ESE (116 degrees)
Borrego Springs, CA - 40 km (25 miles) SSE (158 degrees)
Coordinates 32 deg. 55.3 min. N (32.922N), 116 deg. 12.7 min. W (116.212W)
Depth 12.61 km (7.8 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=18, Dmin=17.9 km, Rmss=0.16 sec, Erho=0.5 km, Erzz=1.1 km, Gp=125 degrees
Event ID# ci38218264
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