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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 9:21:52 AM (PDT) on Thursday, July 12, 2018.
The magnitude 1.1 event occurred 11 km (7 miles) NNE (21 degrees) of Trabuco Canyon, CA.
The hypocentral depth is 9 km ( 6 miles).



Magnitude 1.1 - local magnitude (Ml)
Time Thursday, July 12, 2018 at 9:21:52 AM (PDT)
Thursday, July 12, 2018 at 16:21:52 (UTC)
Distance from Trabuco Canyon, CA - 11 km (7 miles) NNE (21 degrees)
Foothill Ranch, CA - 13 km (8 miles) NE (56 degrees)
Corona, CA - 13 km (8 miles) S (170 degrees)
Rancho Santa Margarita, CA - 14 km (8 miles) NNE (24 degrees)
Home Gardens, CA - 14 km (9 miles) S (189 degrees)
Coordinates 33 deg. 45.2 min. N (33.753N), 117 deg. 32.6 min. W (117.544W)
Depth 9 km (5.6 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=32, Dmin=7.7 km, Rmss=0.15 sec, Erho=0.24 km, Erzz=0.54 km, Gp=93 degrees
Event ID# ci38219776
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