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

A micro earthquake occurred at 9:34:01 AM (PST) on Tuesday, December 4, 2018.
The magnitude 0.9 event occurred 17 km (11 miles) ESE of Julian, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 0.9 - local magnitude (Ml)
Time Tuesday, December 4, 2018 at 9:34:01 AM (PST)
Tuesday, December 4, 2018 at 17:34:01 (UTC)
Distance from Julian, CA - 17 km (11 miles) ESE (105 degrees)
Borrego Springs, CA - 25 km (15 miles) S (191 degrees)
Pine Valley, CA - 26 km (16 miles) NNE (22 degrees)
Ocotillo Wells, CA - 30 km (18 miles) WSW (247 degrees)
Warner Springs, CA - 33 km (21 miles) SE (144 degrees)
Coordinates 33 deg. 2.3 min. N (33.038N), 116 deg. 25.5 min. W (116.425W)
Depth 10.32 km (6.4 miles)
Quality Good
Location Quality Parameters Nst=32, Nph=54, Dmin=4.6 km, Rmss=0.16 sec, Erho=0.22 km, Erzz=0.42 km, Gp=69 degrees
Event ID# ci38384960
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