2025-09-12 23:49:37 (M4.5) Chile-Argentina border region -24.3 -67.0 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.5 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 12 Sep 2025 23:49:38 Time near the Epicenter (1): 12 Sep 2025 20:49:38 Time in your area (1): 12 Sep 2025 15:49:38
Location	24.264S 67.022W
Depth	186 km
Distances	71.6 km (44.4 mi) W of San Antonio de los Cobres, Argentina 173.1 km (107.3 mi) WNW of Salta, Argentina 175.4 km (108.7 mi) W of San Salvador de Jujuy, Argentina 183.8 km (114.0 mi) W of Palpalá, Argentina 206.8 km (128.2 mi) SW of Humahuaca, Argentina
Location Uncertainty	Horizontal: 8.7 km; Vertical 8.3 km
Parameters	Nph = 40; Dmin = 187.0 km; Rmss = 0.54 seconds; Gp = 70° Version =
Event ID	us 7000qvvh

(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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