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

A micro earthquake occurred at 4:54:39 AM (PST) on Monday, February 11, 2019.
The magnitude 2.6 event occurred 3 km (2 miles) NNW of Fontana, CA.
The hypocentral depth is 11 km ( 6 miles).



Magnitude 2.6 - local magnitude (Ml)
Time Monday, February 11, 2019 at 4:54:39 AM (PST)
Monday, February 11, 2019 at 12:54:39 (UTC)
Distance from Fontana, CA - 3 km (2 miles) NNW (328 degrees)
Bloomington, CA - 9 km (6 miles) NW (306 degrees)
Rancho Cucamonga, CA - 10 km (6 miles) E (94 degrees)
Rialto, CA - 10 km (6 miles) W (277 degrees)
Glen Avon, CA - 12 km (7 miles) N (5 degrees)
Coordinates 34 deg. 7.0 min. N (34.117N), 117 deg. 28.4 min. W (117.473W)
Depth 10.51 km (6.5 miles)
Quality Good
Location Quality Parameters Nst=112, Nph=185, Dmin=3.8 km, Rmss=0.18 sec, Erho=0.11 km, Erzz=0.23 km, Gp=17 degrees
Event ID# ci37528314
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