2025-07-18 19:39:44 (M4.2) Chile-Argentina border region -24.3 -67.3 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.2 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 18 Jul 2025 19:39:44 Time near the Epicenter (1): 18 Jul 2025 16:39:44 Time in your area (1): 18 Jul 2025 11:39:44
Location	24.255S 67.282W
Depth	178 km
Distances	97.9 km (60.7 mi) W of San Antonio de los Cobres, Argentina 198.5 km (123.0 mi) WNW of Salta, Argentina 201.7 km (125.1 mi) W of San Salvador de Jujuy, Argentina 210.3 km (130.4 mi) W of Palpalá, Argentina 228.7 km (141.8 mi) WSW of Humahuaca, Argentina
Location Uncertainty	Horizontal: 9.1 km; Vertical 9.0 km
Parameters	Nph = 42; Dmin = 170.8 km; Rmss = 1.09 seconds; Gp = 67° Version =
Event ID	us 7000qdin

(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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