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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 2:39:00 AM (PST) on Wednesday, December 5, 2018.
The magnitude 0.4 event occurred 8 km (5 miles) NE (43 degrees) of Aguanga, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.4 - local magnitude (Ml)
Time Wednesday, December 5, 2018 at 2:39:00 AM (PST)
Wednesday, December 5, 2018 at 10:39:00 (UTC)
Distance from Aguanga, CA - 8 km (5 miles) NE (43 degrees)
Anza, CA - 14 km (8 miles) WSW (242 degrees)
Palomar Observatory, CA - 17 km (10 miles) NNE (20 degrees)
Idyllwild, CA - 28 km (17 miles) SSW (196 degrees)
Pala, CA - 29 km (18 miles) ENE (60 degrees)
Coordinates 33 deg. 29.9 min. N (33.498N), 116 deg. 48.2 min. W (116.803W)
Depth 2.22 km (1.4 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=21, Dmin=1.6 km, Rmss=0.12 sec, Erho=0.2 km, Erzz=0.2 km, Gp=99 degrees
Event ID# ci38386288
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