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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 3:33:46 PM (PST) on Monday, December 3, 2018.
The magnitude 0.5 event occurred 10 km (6 miles) NE (40 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.5 - local magnitude (Ml)
Time Monday, December 3, 2018 at 3:33:46 PM (PST)
Monday, December 3, 2018 at 23:33:46 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) NE (40 degrees)
Anza, CA - 12 km (8 miles) WSW (248 degrees)
Palomar Observatory, CA - 19 km (12 miles) NNE (20 degrees)
Idyllwild, CA - 26 km (16 miles) SSW (196 degrees)
Valle Vista, CA - 28 km (17 miles) SSE (161 degrees)
Coordinates 33 deg. 30.8 min. N (33.513N), 116 deg. 47.7 min. W (116.795W)
Depth 3.56 km (2.2 miles)
Quality Good
Location Quality Parameters Nst=21, Nph=32, Dmin=0.5 km, Rmss=0.12 sec, Erho=0.22 km, Erzz=0.5 km, Gp=110 degrees
Event ID# ci38152183
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