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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 9:24:28 AM (PDT) on Monday, August 12, 2019.
The magnitude 0.6 event occurred 2 km (1 miles) S of Lytle Creek, CA.
The hypocentral depth is 12 km ( 7 miles).



Magnitude 0.6 - local magnitude (Ml)
Time Monday, August 12, 2019 at 9:24:28 AM (PDT)
Monday, August 12, 2019 at 16:24:28 (UTC)
Distance from Lytle Creek, CA - 2 km (1 miles) S (180 degrees)
Devore, CA - 9 km (6 miles) WNW (285 degrees)
Rancho Cucamonga, CA - 15 km (9 miles) NNE (29 degrees)
Fontana, CA - 17 km (10 miles) NNW (347 degrees)
Muscoy, CA - 17 km (11 miles) NW (305 degrees)
Coordinates 34 deg. 14.6 min. N (34.243N), 117 deg. 30.0 min. W (117.499W)
Depth 11.89 km (7.4 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=34, Dmin=1.8 km, Rmss=0.12 sec, Erho=0.26 km, Erzz=0.3 km, Gp=95 degrees
Event ID# ci38959912
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