2026-02-21 15:09:05 (M4.3) Chile-Argentina border region -24.3 -67.4 (90be5)

M4.3 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 21 Feb 2026 15:09:05 Time near the Epicenter (1): 21 Feb 2026 12:09:05 Time in your area (1): 21 Feb 2026 07:09:05
Location	24.303S 67.377W
Depth	197 km
Distances	107.9 km (66.9 mi) W of San Antonio de los Cobres, Argentina 206.2 km (127.8 mi) WNW of Salta, Argentina 211.6 km (131.2 mi) W of San Salvador de Jujuy, Argentina 219.9 km (136.4 mi) W of Palpalá, Argentina 239.7 km (148.6 mi) WSW of Humahuaca, Argentina
Location Uncertainty	Horizontal: 8.8 km; Vertical 10.7 km
Parameters	Nph = 34; Dmin = 170.5 km; Rmss = 0.63 seconds; Gp = 84° Version =
Event ID	us 6000samg

(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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