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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 6:07:03 PM (PST) on Thursday, December 6, 2018.
The magnitude 0.4 event occurred 10 km (6 miles) NE (38 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 0.4 - local magnitude (Ml)
Time Thursday, December 6, 2018 at 6:07:03 PM (PST)
Friday, December 7, 2018 at 2:07:03 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) NE (38 degrees)
Anza, CA - 13 km (8 miles) WSW (247 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (19 degrees)
Idyllwild, CA - 27 km (17 miles) SSW (197 degrees)
Valle Vista, CA - 28 km (17 miles) SSE (162 degrees)
Coordinates 33 deg. 30.6 min. N (33.510N), 116 deg. 48.1 min. W (116.802W)
Depth 4.18 km (2.6 miles)
Quality Good
Location Quality Parameters Nst=27, Nph=46, Dmin=0.3 km, Rmss=0.17 sec, Erho=0.24 km, Erzz=0.39 km, Gp=62 degrees
Event ID# ci38387896
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