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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 2:44:30 AM (PDT) on Wednesday, August 14, 2019.
The magnitude 1.1 event occurred 3 km (2 miles) WNW of Glen Avon, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Wednesday, August 14, 2019 at 2:44:30 AM (PDT)
Wednesday, August 14, 2019 at 9:44:30 (UTC)
Distance from Glen Avon, CA - 3 km (2 miles) WNW (303 degrees)
Mira Loma, CA - 4 km (2 miles) N (5 degrees)
Pedley, CA - 7 km (4 miles) NNW (329 degrees)
Fontana, CA - 9 km (6 miles) SSW (213 degrees)
Rubidoux, CA - 10 km (6 miles) WNW (289 degrees)
Coordinates 34 deg. 1.6 min. N (34.027N), 117 deg. 30.8 min. W (117.513W)
Depth 3.45 km (2.1 miles)
Quality Good
Location Quality Parameters Nst=27, Nph=40, Dmin=5.2 km, Rmss=0.2 sec, Erho=0.26 km, Erzz=0.41 km, Gp=38 degrees
Event ID# ci38966856
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