2025-10-25 22:09:36 (M4.6) Off the coast of Tarapaca, Chile -18.4 -71.4 (90be5)

M4.6 Earthquake - Off the coast of Tarapaca, Chile

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 25 Oct 2025 22:09:36 Time near the Epicenter (1): 25 Oct 2025 18:09:36 Time in your area (1): 25 Oct 2025 14:09:36
Location	18.434S 71.410W
Depth	36 km
Distances	87.5 km (54.2 mi) S of Pacocha, Peru 89.1 km (55.2 mi) S of Ilo, Peru 117.5 km (72.9 mi) W of Arica, Chile 130.8 km (81.1 mi) WSW of Tacna, Peru 144.1 km (89.4 mi) SSW of San Antonio, Peru
Location Uncertainty	Horizontal: 5.5 km; Vertical 6.9 km
Parameters	Nph = 34; Dmin = 113.0 km; Rmss = 1.11 seconds; Gp = 137° Version =
Event ID	us 6000rjhe

(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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