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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 6:01:24 PM (PST) on Wednesday, December 5, 2018.
The magnitude 0.4 event occurred 9 km (5 miles) NE (46 degrees) of Aguanga, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.4 - local magnitude (Ml)
Time Wednesday, December 5, 2018 at 6:01:24 PM (PST)
Thursday, December 6, 2018 at 2:01:24 (UTC)
Distance from Aguanga, CA - 9 km (5 miles) NE (46 degrees)
Anza, CA - 13 km (8 miles) WSW (241 degrees)
Palomar Observatory, CA - 17 km (10 miles) NNE (21 degrees)
Idyllwild, CA - 28 km (17 miles) SSW (195 degrees)
Warner Springs, CA - 28 km (18 miles) NNW (327 degrees)
Coordinates 33 deg. 29.8 min. N (33.496N), 116 deg. 48.0 min. W (116.799W)
Depth 2.25 km (1.4 miles)
Quality Good
Location Quality Parameters Nst=19, Nph=29, Dmin=1.8 km, Rmss=0.1 sec, Erho=0.27 km, Erzz=0.2 km, Gp=109 degrees
Event ID# ci38387184
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