2025-07-28 20:51:53 (M4.1) Chile-Argentina border region -32.1 -70.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.1 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 28 Jul 2025 20:51:54 Time near the Epicenter (1): 28 Jul 2025 17:51:54 Time in your area (1): 28 Jul 2025 12:51:54
Location	32.140S 70.063W
Depth	122 km
Distances	91.9 km (57.0 mi) NNE of Los Andes, Chile 92.0 km (57.0 mi) NE of San Felipe, Chile 94.1 km (58.4 mi) ESE of Salamanca, Chile 114.4 km (70.9 mi) NE of Llaillay, Chile 142.8 km (88.6 mi) NW of Mendoza, Argentina
Location Uncertainty	Horizontal: 5.4 km; Vertical 6.5 km
Parameters	Nph = 39; Dmin = 83.0 km; Rmss = 0.66 seconds; Gp = 94° Version =
Event ID	us 6000qvrv

(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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