2021-12-31 15:54:07 (M4.4) Antofagasta, Chile -24.2 -69.8 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.4 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.4
Date-Time	31 Dec 2021 15:54:08 UTC 31 Dec 2021 11:54:08 near epicenter 31 Dec 2021 07:54:08 standard time in your timezone
Location	24.204S 69.841W
Depth	124 km
Distances	83.2 km (51.6 mi) SE of Antofagasta, Chile 148.3 km (92.0 mi) NNE of Taltal, Chile 215.1 km (133.3 mi) SSW of Calama, Chile 236.8 km (146.8 mi) S of Tocopilla, Chile 240.5 km (149.1 mi) N of Diego de Almagro, Chile
Location Uncertainty	Horizontal: 7.1 km; Vertical 4.4 km
Parameters	Nph = 38; Dmin = 73.7 km; Rmss = 1.01 seconds; Gp = 92° Version =
Event ID	us 7000g86n

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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