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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 6:29:44 AM (PDT) on Thursday, May 17, 2018.
The magnitude 1.1 event occurred 19 km (11 miles) ESE of Julian, CA.
The hypocentral depth is 8 km ( 5 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Thursday, May 17, 2018 at 6:29:44 AM (PDT)
Thursday, May 17, 2018 at 13:29:44 (UTC)
Distance from Julian, CA - 19 km (11 miles) ESE (104 degrees)
Borrego Springs, CA - 24 km (15 miles) S (188 degrees)
Pine Valley, CA - 27 km (17 miles) NNE (25 degrees)
Ocotillo Wells, CA - 28 km (18 miles) WSW (246 degrees)
Warner Springs, CA - 34 km (21 miles) SE (142 degrees)
Coordinates 33 deg. 2.4 min. N (33.039N), 116 deg. 24.6 min. W (116.409W)
Depth 8.13 km (5.1 miles)
Quality Fair
Location Quality Parameters Nst=32, Nph=43, Dmin=16.4 km, Rmss=0.19 sec, Erho=0.33 km, Erzz=1.21 km, Gp=67 degrees
Event ID# ci38174888
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