2021-10-31 13:04:15 (M4.0) Chile-Argentina border region -24.4 -67.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.0
Date-Time	31 Oct 2021 13:04:16 UTC 31 Oct 2021 10:04:16 near epicenter 31 Oct 2021 05:04:16 standard time in your timezone
Location	24.358S 67.362W
Depth	203 km
Distances	107.0 km (66.3 mi) W of San Antonio de los Cobres, Argentina 203.1 km (125.9 mi) WNW of Salta, Argentina 210.4 km (130.4 mi) W of San Salvador de Jujuy, Argentina 218.5 km (135.5 mi) W of Palpal�, Argentina 235.6 km (146.1 mi) NW of Cafayate, Argentina
Location Uncertainty	Horizontal: 10.1 km; Vertical 14.8 km
Parameters	Nph = 20; Dmin = 176.5 km; Rmss = 0.53 seconds; Gp = 107° Version =
Event ID	us 7000fq9w

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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