2026-08-31 21:30:16 (M4.3) Near the coast of Antofagasta, Chile -25.8 -70.8 (90be5)

M4.3 Earthquake - Near the coast of Antofagasta, Chile

Preliminary Report

Magnitude	4.3
Date-Time	Universal Time (UTC): 31 Aug 2026 21:30:16 Time near the Epicenter (1): 31 Aug 2026 17:30:16 Time in your area (1): 31 Aug 2026 13:30:16
Location	25.763S 70.799W
Depth	26 km
Distances	50.5 km (31.3 mi) SW of Taltal, Chile 102.5 km (63.6 mi) NW of Diego de Almagro, Chile 183.7 km (113.9 mi) NNW of Copiapó, Chile 237.3 km (147.1 mi) S of Antofagasta, Chile 297.1 km (184.2 mi) S of Mejillones, Chile
Location Uncertainty	Horizontal: 5.9 km; Vertical 5.7 km
Parameters	Nph = 25; Dmin = 47.2 km; Rmss = 0.53 seconds; Gp = 143° Version =
Event ID	us 7000td7k

(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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