2025-12-16 07:42:42 (M4.5) Chile-Argentina border region -33.0 -70.3 (90be5)

M4.5 Earthquake - Chile-Argentina border region

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 16 Dec 2025 07:42:42 Time near the Epicenter (1): 16 Dec 2025 03:42:42 Time in your area (1): 15 Dec 2025 23:42:42
Location	32.956S 70.334W
Depth	111 km
Distances	28.2 km (17.5 mi) ESE of Los Andes, Chile 43.3 km (26.8 mi) ESE of San Felipe, Chile 47.0 km (29.1 mi) NE of Chicureo Abajo, Chile 59.7 km (37.0 mi) ESE of Llaillay, Chile 121.4 km (75.3 mi) E of Valparaíso, Chile
Location Uncertainty	Horizontal: 4.4 km; Vertical 3.2 km
Parameters	Nph = 85; Dmin = 29.5 km; Rmss = 0.64 seconds; Gp = 50° Version =
Event ID	us 6000rv8q

(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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