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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 12:43:42 PM (PST) on Wednesday, December 5, 2018.
The magnitude 0.8 event occurred 3 km (2 miles) ESE of Palomar Observatory, CA.
The hypocentral depth is 16 km (10 miles).



Magnitude 0.8 - local magnitude (Ml)
Time Wednesday, December 5, 2018 at 12:43:42 PM (PST)
Wednesday, December 5, 2018 at 20:43:42 (UTC)
Distance from Palomar Observatory, CA - 3 km (2 miles) ESE (116 degrees)
Aguanga, CA - 12 km (7 miles) SSE (164 degrees)
Lake Henshaw, CA - 13 km (8 miles) NNW (331 degrees)
Warner Springs, CA - 20 km (12 miles) WNW (290 degrees)
Pala, CA - 23 km (14 miles) E (96 degrees)
Coordinates 33 deg. 20.6 min. N (33.343N), 116 deg. 49.8 min. W (116.831W)
Depth 16.05 km (10.0 miles)
Quality Good
Location Quality Parameters Nst=46, Nph=82, Dmin=3.2 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.44 km, Gp=31 degrees
Event ID# ci38386912
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