2025-09-09 17:35:20 (M4.5) Chile-Argentina border region -24.3 -67.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.5 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 9 Sep 2025 17:35:21 Time near the Epicenter (1): 9 Sep 2025 14:35:21 Time in your area (1): 9 Sep 2025 09:35:21
Location	24.312S 67.161W
Depth	169 km
Distances	86.1 km (53.4 mi) W of San Antonio de los Cobres, Argentina 184.8 km (114.6 mi) WNW of Salta, Argentina 189.7 km (117.6 mi) W of San Salvador de Jujuy, Argentina 198.0 km (122.8 mi) W of Palpalá, Argentina 221.5 km (137.3 mi) WSW of Humahuaca, Argentina
Location Uncertainty	Horizontal: 7.8 km; Vertical 10.5 km
Parameters	Nph = 31; Dmin = 182.8 km; Rmss = 0.89 seconds; Gp = 72° Version =
Event ID	us 7000qv1g

(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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