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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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 9:05:46 PM (PST) on Monday, December 3, 2018.
The magnitude 0.3 event occurred 9 km (5 miles) NE (50 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 3 miles).



Magnitude 0.3 - local magnitude (Ml)
Time Monday, December 3, 2018 at 9:05:46 PM (PST)
Tuesday, December 4, 2018 at 5:05:46 (UTC)
Distance from Aguanga, CA - 9 km (5 miles) NE (50 degrees)
Anza, CA - 13 km (8 miles) WSW (238 degrees)
Palomar Observatory, CA - 17 km (10 miles) NNE (23 degrees)
Lake Henshaw, CA - 28 km (17 miles) N (354 degrees)
Warner Springs, CA - 28 km (17 miles) NNW (328 degrees)
Coordinates 33 deg. 29.6 min. N (33.493N), 116 deg. 47.6 min. W (116.793W)
Depth 4.11 km (2.6 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=28, Dmin=2.3 km, Rmss=0.1 sec, Erho=0.24 km, Erzz=0.42 km, Gp=99 degrees
Event ID# ci38152519
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