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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 4:14:32 PM (PDT) on Thursday, July 12, 2018.
The magnitude 1.7 event occurred 3 km (2 miles) SE of Loma Linda, CA.
The hypocentral depth is 12 km ( 7 miles).



Magnitude 1.7 - local magnitude (Ml)
Time Thursday, July 12, 2018 at 4:14:32 PM (PDT)
Thursday, July 12, 2018 at 23:14:32 (UTC)
Distance from Loma Linda, CA - 3 km (2 miles) SE (138 degrees)
Redlands, CA - 6 km (4 miles) WSW (238 degrees)
Grand Terrace, CA - 7 km (4 miles) E (96 degrees)
Colton, CA - 9 km (5 miles) SE (127 degrees)
Moreno Valley, CA - 11 km (7 miles) N (355 degrees)
Coordinates 34 deg. 1.6 min. N (34.027N), 117 deg. 14.3 min. W (117.238W)
Depth 11.82 km (7.3 miles)
Quality Good
Location Quality Parameters Nst=66, Nph=83, Dmin=10.1 km, Rmss=0.21 sec, Erho=0.23 km, Erzz=0.59 km, Gp=39 degrees
Event ID# ci38220168
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