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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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 5:43:41 AM (PDT) on Thursday, May 17, 2018.
The magnitude 0.3 event occurred 9 km (6 miles) NE (43 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 0.3 - local magnitude (Ml)
Time Thursday, May 17, 2018 at 5:43:41 AM (PDT)
Thursday, May 17, 2018 at 12:43:41 (UTC)
Distance from Aguanga, CA - 9 km (6 miles) NE (43 degrees)
Anza, CA - 13 km (8 miles) WSW (243 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (21 degrees)
Idyllwild, CA - 27 km (17 miles) SSW (195 degrees)
Lake Henshaw, CA - 29 km (18 miles) N (354 degrees)
Coordinates 33 deg. 30.3 min. N (33.504N), 116 deg. 47.7 min. W (116.795W)
Depth 4.32 km (2.7 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=18, Dmin=8.7 km, Rmss=0.17 sec, Erho=0.33 km, Erzz=0.86 km, Gp=61 degrees
Event ID# ci38174856
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