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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 6:18:13 AM (PDT) on Tuesday, April 17, 2018.
The magnitude 0.4 event occurred 10 km (6 miles) NE (41 degrees) of Aguanga, CA.
The hypocentral depth is 5 km ( 3 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Tuesday, April 17, 2018 at 6:18:13 AM (PDT)
Tuesday, April 17, 2018 at 13:18:13 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) NE (41 degrees)
Anza, CA - 12 km (8 miles) WSW (246 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (20 degrees)
Idyllwild, CA - 27 km (16 miles) SSW (195 degrees)
Valle Vista, CA - 28 km (17 miles) SSE (161 degrees)
Coordinates 33 deg. 30.6 min. N (33.510N), 116 deg. 47.7 min. W (116.795W)
Depth 5.21 km (3.2 miles)
Quality Good
Location Quality Parameters Nst=28, Nph=52, Dmin=8.2 km, Rmss=0.14 sec, Erho=0.18 km, Erzz=0.89 km, Gp=43 degrees
Event ID# ci38150080
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