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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 11:23:03 AM (PST) on Monday, December 3, 2018.
The magnitude 1.7 event occurred 8 km (5 miles) NE (50 degrees) of Aguanga, CA.
The hypocentral depth is 5 km ( 3 miles).



Magnitude 1.7 - local magnitude (Ml)
Time Monday, December 3, 2018 at 11:23:03 AM (PST)
Monday, December 3, 2018 at 19:23:03 (UTC)
Distance from Aguanga, CA - 8 km (5 miles) NE (50 degrees)
Anza, CA - 13 km (8 miles) WSW (238 degrees)
Palomar Observatory, CA - 16 km (10 miles) NNE (23 degrees)
Lake Henshaw, CA - 28 km (17 miles) N (354 degrees)
Warner Springs, CA - 28 km (17 miles) NNW (327 degrees)
Coordinates 33 deg. 29.5 min. N (33.492N), 116 deg. 47.8 min. W (116.796W)
Depth 4.57 km (2.8 miles)
Quality Good
Location Quality Parameters Nst=76, Nph=141, Dmin=2.3 km, Rmss=0.21 sec, Erho=0.13 km, Erzz=0.32 km, Gp=22 degrees
Event ID# ci38151615
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