2021-10-16 04:12:15 (M4.2) Chile-Argentina border region -24.7 -68.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.2 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.2
Date-Time	16 Oct 2021 04:12:16 UTC 16 Oct 2021 01:12:16 near epicenter 15 Oct 2021 20:12:16 standard time in your timezone
Location	24.708S 68.507W
Depth	116 km
Distances	186.2 km (115.4 mi) NW of Antofagasta de la Sierra, Argentina 214.1 km (132.8 mi) ENE of Taltal, Chile 224.7 km (139.3 mi) ESE of Antofagasta, Chile 240.4 km (149.1 mi) NE of Diego de Almagro, Chile 253.0 km (156.9 mi) S of Calama, Chile
Location Uncertainty	Horizontal: 6.5 km; Vertical 8.9 km
Parameters	Nph = 38; Dmin = 192.0 km; Rmss = 1.11 seconds; Gp = 77° Version =
Event ID	us 6000fv4f

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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