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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 2:30:21 AM (PST) on Friday, February 14, 2020.
The magnitude 0.6 event occurred 3 km (2 miles) W of Lytle Creek, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 0.6 - local magnitude (Ml)
Time Friday, February 14, 2020 at 2:30:21 AM (PST)
Friday, February 14, 2020 at 10:30:21 (UTC)
Distance from Lytle Creek, CA - 3 km (2 miles) W (261 degrees)
Devore, CA - 12 km (8 miles) WNW (288 degrees)
Rancho Cucamonga, CA - 15 km (10 miles) NNE (17 degrees)
Wrightwood, CA - 15 km (9 miles) SE (141 degrees)
Fontana, CA - 19 km (12 miles) NNW (339 degrees)
Coordinates 34 deg. 15.3 min. N (34.255N), 117 deg. 31.8 min. W (117.530W)
Depth 9.66 km (6.0 miles)
Quality Excellent
Location Quality Parameters Nst=24, Nph=41, Dmin=5.0 km, Rmss=0.12 sec, Erho=0.17 km, Erzz=0.33 km, Gp=53 degrees
Event ID# ci39071391
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