2021-10-23 19:43:39 (M4.1) Antofagasta, Chile -22.1 -68.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.1 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.1
Date-Time	23 Oct 2021 19:43:39 UTC 23 Oct 2021 15:43:39 near epicenter 23 Oct 2021 11:43:39 standard time in your timezone
Location	22.064S 68.677W
Depth	122 km
Distances	50.4 km (31.3 mi) NNE of Calama, Chile 157.0 km (97.3 mi) E of Tocopilla, Chile 249.1 km (154.5 mi) NE of Antofagasta, Chile 255.7 km (158.5 mi) SE of Iquique, Chile 261.7 km (162.2 mi) SW of Uyuni, Bolivia
Location Uncertainty	Horizontal: 5.2 km; Vertical 6.1 km
Parameters	Nph = 28; Dmin = 65.4 km; Rmss = 0.54 seconds; Gp = 56° Version =
Event ID	us 6000fx2q

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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