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

A micro earthquake occurred at 9:34:47 PM (PDT) on Wednesday, October 10, 2018.
The magnitude 0.5 event occurred 10 km (6 miles) NE (42 degrees) of Aguanga, CA.
The hypocentral depth is 4 km ( 2 miles).



Magnitude 0.5 - local magnitude (Ml)
Time Wednesday, October 10, 2018 at 9:34:47 PM (PDT)
Thursday, October 11, 2018 at 4:34:47 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) NE (42 degrees)
Anza, CA - 12 km (8 miles) WSW (245 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. 30.5 min. N (33.508N), 116 deg. 47.7 min. W (116.796W)
Depth 3.54 km (2.2 miles)
Quality Excellent
Location Quality Parameters Nst=21, Nph=30, Dmin=0.7 km, Rmss=0.13 sec, Erho=0.2 km, Erzz=0.45 km, Gp=60 degrees
Event ID# ci38319408
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