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

A micro earthquake occurred at 11:34:51 PM (PDT) on Saturday, August 10, 2019.
The magnitude 0.9 event occurred 1 km (0 miles) E (80 degrees) of Loma Linda, CA.
The hypocentral depth is 16 km (10 miles).



Magnitude 0.9 - local magnitude (Ml)
Time Saturday, August 10, 2019 at 11:34:51 PM (PDT)
Sunday, August 11, 2019 at 6:34:51 (UTC)
Distance from Loma Linda, CA - 1 km (0 miles) E (80 degrees)
Grand Terrace, CA - 6 km (4 miles) ENE (73 degrees)
Colton, CA - 6 km (4 miles) ESE (116 degrees)
Redlands, CA - 7 km (4 miles) W (264 degrees)
San Bernardino, CA - 10 km (6 miles) SSE (157 degrees)
Coordinates 34 deg. 3.0 min. N (34.050N), 117 deg. 15.2 min. W (117.253W)
Depth 15.89 km (9.9 miles)
Quality Good
Location Quality Parameters Nst=23, Nph=31, Dmin=12.9 km, Rmss=0.18 sec, Erho=0.37 km, Erzz=0.82 km, Gp=90 degrees
Event ID# ci38954528
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