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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 6:43:48 AM (PST) on Tuesday, December 4, 2018.
The magnitude 0.8 event occurred 9 km (6 miles) NE (43 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 0.8 - local magnitude (Ml)
Time Tuesday, December 4, 2018 at 6:43:48 AM (PST)
Tuesday, December 4, 2018 at 14:43:48 (UTC)
Distance from Aguanga, CA - 9 km (6 miles) NE (43 degrees)
Anza, CA - 13 km (8 miles) WSW (244 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (21 degrees)
Idyllwild, CA - 27 km (17 miles) SSW (195 degrees)
Valle Vista, CA - 28 km (18 miles) SSE (161 degrees)
Coordinates 33 deg. 30.3 min. N (33.505N), 116 deg. 47.7 min. W (116.796W)
Depth 4.24 km (2.6 miles)
Quality Good
Location Quality Parameters Nst=37, Nph=68, Dmin=0.9 km, Rmss=0.17 sec, Erho=0.16 km, Erzz=0.34 km, Gp=36 degrees
Event ID# ci38152863
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