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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 1:55:05 PM (PST) on Sunday, February 10, 2019.
The magnitude 2.1 event occurred 6 km (4 miles) S of Mentone, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 2.1 - local magnitude (Ml)
Time Sunday, February 10, 2019 at 1:55:05 PM (PST)
Sunday, February 10, 2019 at 21:55:05 (UTC)
Distance from Mentone, CA - 6 km (4 miles) S (169 degrees)
Redlands, CA - 7 km (4 miles) SE (128 degrees)
Calimesa, CA - 7 km (4 miles) WNW (296 degrees)
Yucaipa, CA - 7 km (5 miles) WSW (254 degrees)
Loma Linda, CA - 13 km (8 miles) ESE (106 degrees)
Coordinates 34 deg. 0.9 min. N (34.016N), 117 deg. 7.3 min. W (117.121W)
Depth 9.78 km (6.1 miles)
Quality Good
Location Quality Parameters Nst=94, Nph=170, Dmin=2.4 km, Rmss=0.18 sec, Erho=0.12 km, Erzz=0.27 km, Gp=41 degrees
Event ID# ci37527978
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