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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 3:55:26 AM (PDT) on Thursday, October 11, 2018.
The magnitude 1.4 event occurred 2 km (1 miles) NNE (16 degrees) of Placentia, CA.
The hypocentral depth is 5 km ( 3 miles).



Magnitude 1.4 - local magnitude (Ml)
Time Thursday, October 11, 2018 at 3:55:26 AM (PDT)
Thursday, October 11, 2018 at 10:55:26 (UTC)
Distance from Placentia, CA - 2 km (1 miles) NNE (16 degrees)
Brea, CA - 5 km (3 miles) SE (137 degrees)
Yorba Linda, CA - 5 km (3 miles) W (266 degrees)
Fullerton, CA - 6 km (4 miles) E (84 degrees)
Anaheim, CA - 6 km (4 miles) NNE (22 degrees)
Coordinates 33 deg. 53.1 min. N (33.886N), 117 deg. 51.9 min. W (117.865W)
Depth 4.69 km (2.9 miles)
Quality Good
Location Quality Parameters Nst=54, Nph=85, Dmin=5.5 km, Rmss=0.26 sec, Erho=0.24 km, Erzz=0.62 km, Gp=45 degrees
Event ID# ci38319520
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