2026-01-27 12:43:23 (M4.7) Tonga -18.1 -174.1 (90be5)

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 27 Jan 2026 12:43:23 Time near the Epicenter (1): 28 Jan 2026 01:43:23 Time in your area (1): 27 Jan 2026 04:43:23
Location	18.104S 174.114W
Depth	97 km
Distances	62.1 km (38.5 mi) NNW of Neiafu, Tonga 354.5 km (219.8 mi) NNE of Nuku'alofa, Tonga 535.2 km (331.8 mi) SSW of Apia, Samoa 558.8 km (346.5 mi) SW of Pago Pago, American Samoa 717.6 km (444.9 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 12.4 km; Vertical 11.0 km
Parameters	Nph = 26; Dmin = 454.5 km; Rmss = 0.49 seconds; Gp = 107° Version =
Event ID	us 6000s4py

(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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