2025-12-16 06:10:10 (M4.5) Atacama, Chile -27.6 -70.2 (90be5)

M4.5 Earthquake - Atacama, Chile

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 16 Dec 2025 06:10:11 Time near the Epicenter (1): 16 Dec 2025 02:10:11 Time in your area (1): 15 Dec 2025 22:10:11
Location	27.550S 70.163W
Depth	92 km
Distances	26.3 km (16.3 mi) SE of Copiapó, Chile 127.9 km (79.3 mi) NNE of Vallenar, Chile 129.0 km (80.0 mi) S of Diego de Almagro, Chile 239.6 km (148.6 mi) S of Taltal, Chile 262.2 km (162.6 mi) WNW of Tinogasta, Argentina
Location Uncertainty	Horizontal: 5.6 km; Vertical 4.5 km
Parameters	Nph = 52; Dmin = 28.6 km; Rmss = 0.67 seconds; Gp = 76° Version =
Event ID	us 6000rv8a

(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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