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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 6:56:55 PM (PST) on Thursday, December 6, 2018.
The magnitude 1.1 event occurred 23 km (14 miles) ESE of Julian, CA.
The hypocentral depth is 12 km ( 7 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Thursday, December 6, 2018 at 6:56:55 PM (PST)
Friday, December 7, 2018 at 2:56:55 (UTC)
Distance from Julian, CA - 23 km (14 miles) ESE (113 degrees)
Pine Valley, CA - 24 km (15 miles) NE (37 degrees)
Ocotillo Wells, CA - 28 km (17 miles) SW (234 degrees)
Borrego Springs, CA - 29 km (18 miles) S (180 degrees)
San Diego Country Estates, CA - 38 km (24 miles) E (92 degrees)
Coordinates 32 deg. 59.8 min. N (32.997N), 116 deg. 22.4 min. W (116.374W)
Depth 11.5 km (7.1 miles)
Quality Good
Location Quality Parameters Nst=21, Nph=28, Dmin=12.5 km, Rmss=0.15 sec, Erho=0.32 km, Erzz=0.7 km, Gp=105 degrees
Event ID# ci38387928
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