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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 7:22:53 PM (PST) on Tuesday, December 4, 2018.
The magnitude 1.9 event occurred 8 km (5 miles) NE (50 degrees) of Aguanga, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.9 - local magnitude (Ml)
Time Tuesday, December 4, 2018 at 7:22:53 PM (PST)
Wednesday, December 5, 2018 at 3:22:53 (UTC)
Distance from Aguanga, CA - 8 km (5 miles) NE (50 degrees)
Anza, CA - 14 km (8 miles) WSW (238 degrees)
Palomar Observatory, CA - 16 km (10 miles) NNE (22 degrees)
Lake Henshaw, CA - 28 km (17 miles) N (353 degrees)
Warner Springs, CA - 28 km (17 miles) NNW (327 degrees)
Coordinates 33 deg. 29.4 min. N (33.490N), 116 deg. 47.9 min. W (116.799W)
Depth 1.73 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=69, Nph=90, Dmin=2.5 km, Rmss=0.21 sec, Erho=0.18 km, Erzz=0.37 km, Gp=32 degrees
Event ID# ci38386048
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