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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 1:21:30 AM (PDT) on Thursday, August 9, 2018.
The magnitude 0.8 event occurred 10 km (6 miles) SSW of Calimesa, CA.
The hypocentral depth is 17 km (10 miles).



Magnitude 0.8 - local magnitude (Ml)
Time Thursday, August 9, 2018 at 1:21:30 AM (PDT)
Thursday, August 9, 2018 at 8:21:30 (UTC)
Distance from Calimesa, CA - 10 km (6 miles) SSW (201 degrees)
Beaumont, CA - 11 km (7 miles) WSW (254 degrees)
Nuevo, CA - 12 km (8 miles) NNE (24 degrees)
Moreno Valley, CA - 13 km (8 miles) ESE (102 degrees)
Yucaipa, CA - 15 km (9 miles) SSW (197 degrees)
Coordinates 33 deg. 54.2 min. N (33.903N), 117 deg. 5.6 min. W (117.093W)
Depth 16.83 km (10.5 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=68, Dmin=6.4 km, Rmss=0.15 sec, Erho=0.19 km, Erzz=0.52 km, Gp=46 degrees
Event ID# ci38241456
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