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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 8:22:59 AM (PDT) on Thursday, July 12, 2018.
The magnitude 0.4 event occurred 9 km (5 miles) NE (53 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Thursday, July 12, 2018 at 8:22:59 AM (PDT)
Thursday, July 12, 2018 at 15:22:59 (UTC)
Distance from Aguanga, CA - 9 km (5 miles) NE (53 degrees)
Anza, CA - 13 km (8 miles) SW (236 degrees)
Palomar Observatory, CA - 16 km (10 miles) NNE (24 degrees)
Warner Springs, CA - 27 km (17 miles) NNW (328 degrees)
Lake Henshaw, CA - 28 km (17 miles) N (355 degrees)
Coordinates 33 deg. 29.4 min. N (33.490N), 116 deg. 47.4 min. W (116.791W)
Depth 4.07 km (2.5 miles)
Quality Good
Location Quality Parameters Nst=17, Nph=25, Dmin=2.6 km, Rmss=0.09 sec, Erho=0.2 km, Erzz=0.35 km, Gp=97 degrees
Event ID# ci38219728
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