2026-02-01 15:43:34 (M4.5) Chile-Argentina border region -24.2 -67.3 (90be5)

M4.5 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 1 Feb 2026 15:43:34 Time near the Epicenter (1): 1 Feb 2026 12:43:34 Time in your area (1): 1 Feb 2026 07:43:34
Location	24.192S 67.278W
Depth	205 km
Distances	97.5 km (60.4 mi) W of San Antonio de los Cobres, Argentina 200.3 km (124.2 mi) WNW of Salta, Argentina 201.2 km (124.8 mi) W of San Salvador de Jujuy, Argentina 210.0 km (130.2 mi) W of Palpalá, Argentina 224.9 km (139.4 mi) WSW of Humahuaca, Argentina
Location Uncertainty	Horizontal: 13.1 km; Vertical 17.0 km
Parameters	Nph = 24; Dmin = 165.2 km; Rmss = 0.58 seconds; Gp = 117° Version =
Event ID	us 6000s5v5

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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