2026-02-03 16:39:59 (M4.5) Antofagasta, Chile -22.9 -69.4 (90be5)

M4.5 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 3 Feb 2026 16:40:00 Time near the Epicenter (1): 3 Feb 2026 12:40:00 Time in your area (1): 3 Feb 2026 08:40:00
Location	22.939S 69.350W
Depth	76 km
Distances	69.0 km (42.8 mi) SW of Calama, Chile 113.9 km (70.6 mi) E of Mejillones, Chile 128.0 km (79.4 mi) SE of Tocopilla, Chile 133.0 km (82.4 mi) NE of Antofagasta, Chile 296.8 km (184.0 mi) NNE of Taltal, Chile
Location Uncertainty	Horizontal: 4.0 km; Vertical 6.0 km
Parameters	Nph = 50; Dmin = 34.4 km; Rmss = 0.90 seconds; Gp = 76° Version =
Event ID	us 6000s65w

(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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