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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 10:06:24 PM (PST) on Wednesday, December 5, 2018.
The magnitude 0.5 event occurred 9 km (6 miles) NE (44 degrees) of Aguanga, CA.
The hypocentral depth is 3 km ( 2 miles).



Magnitude 0.5 - local magnitude (Ml)
Time Wednesday, December 5, 2018 at 10:06:24 PM (PST)
Thursday, December 6, 2018 at 6:06:24 (UTC)
Distance from Aguanga, CA - 9 km (6 miles) NE (44 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 (116.794W)
Depth 2.79 km (1.7 miles)
Quality Excellent
Location Quality Parameters Nst=22, Nph=34, Dmin=1.1 km, Rmss=0.11 sec, Erho=0.17 km, Erzz=0.23 km, Gp=48 degrees
Event ID# ci38387304
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