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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 7:22:36 AM (PDT) on Thursday, May 17, 2018.
The magnitude 0.4 event occurred 9 km (6 miles) NE (47 degrees) of Aguanga, CA.
The hypocentral depth is 7 km ( 4 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Thursday, May 17, 2018 at 7:22:36 AM (PDT)
Thursday, May 17, 2018 at 14:22:36 (UTC)
Distance from Aguanga, CA - 9 km (6 miles) NE (47 degrees)
Anza, CA - 12 km (8 miles) WSW (241 degrees)
Palomar Observatory, CA - 17 km (11 miles) NNE (23 degrees)
Idyllwild, CA - 27 km (17 miles) SSW (194 degrees)
Warner Springs, CA - 28 km (18 miles) NNW (329 degrees)
Coordinates 33 deg. 30.0 min. N (33.500N), 116 deg. 47.4 min. W (116.791W)
Depth 6.52 km (4.1 miles)
Quality Good
Location Quality Parameters Nst=21, Nph=38, Dmin=8.8 km, Rmss=0.12 sec, Erho=0.19 km, Erzz=0.49 km, Gp=50 degrees
Event ID# ci38174936
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