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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 9:27:33 PM (PDT) on Monday, August 12, 2019.
The magnitude 2.4 event occurred 3 km (2 miles) S of Loma Linda, CA.
The hypocentral depth is 18 km (11 miles).



Magnitude 2.4 - local magnitude (Ml)
Time Monday, August 12, 2019 at 9:27:33 PM (PDT)
Tuesday, August 13, 2019 at 4:27:33 (UTC)
Distance from Loma Linda, CA - 3 km (2 miles) S (180 degrees)
Grand Terrace, CA - 5 km (3 miles) ESE (108 degrees)
Colton, CA - 8 km (5 miles) SE (141 degrees)
Redlands, CA - 8 km (5 miles) WSW (242 degrees)
Moreno Valley, CA - 11 km (7 miles) NNW (344 degrees)
Coordinates 34 deg. 1.2 min. N (34.020N), 117 deg. 15.7 min. W (117.261W)
Depth 17.88 km (11.1 miles)
Quality Good
Location Quality Parameters Nst=119, Nph=228, Dmin=8.0 km, Rmss=0.16 sec, Erho=0.1 km, Erzz=0.2 km, Gp=12 degrees
Event ID# ci38962248
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