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

A micro earthquake occurred at 10:42:27 AM (PDT) on Friday, September 14, 2018.
The magnitude 1.8 event occurred 3 km (2 miles) E (86 degrees) of Loma Linda, CA.
The hypocentral depth is 14 km ( 9 miles).



Magnitude 1.8 - local magnitude (Ml)
Time Friday, September 14, 2018 at 10:42:27 AM (PDT)
Friday, September 14, 2018 at 17:42:27 (UTC)
Distance from Loma Linda, CA - 3 km (2 miles) E (86 degrees)
Redlands, CA - 4 km (3 miles) W (262 degrees)
Grand Terrace, CA - 8 km (5 miles) ENE (77 degrees)
Colton, CA - 8 km (5 miles) ESE (108 degrees)
Mentone, CA - 9 km (5 miles) WSW (256 degrees)
Coordinates 34 deg. 3.0 min. N (34.050N), 117 deg. 13.6 min. W (117.227W)
Depth 14.05 km (8.7 miles)
Quality Good
Location Quality Parameters Nst=64, Nph=106, Dmin=7.9 km, Rmss=0.15 sec, Erho=0.15 km, Erzz=0.28 km, Gp=27 degrees
Event ID# ci38060311
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