2026-01-31 20:59:31 (M5.8) Tonga -21.0 -174.2 (70fa9)

M5.8 Earthquake - Tonga

Preliminary Report

Magnitude	5.8
Date-Time	Universal Time (UTC): 31 Jan 2026 20:59:31 Time near the Epicenter (1): 1 Feb 2026 09:59:31 Time in your area (1): 1 Feb 2026 02:29:31
Location	20.959S 174.171W
Depth	10 km
Distances	92.0 km (57.0 mi) ENE of 'Ohonua, Tonga 108.9 km (67.5 mi) E of Nuku'alofa, Tonga 825.8 km (512.0 mi) SSW of Pago Pago, American Samoa 828.9 km (513.9 mi) SSW of Apia, Samoa 831.7 km (515.6 mi) ESE of Nasinu, Fiji
Location Uncertainty	Horizontal: 11.0 km; Vertical 1.9 km
Parameters	Nph = 60; Dmin = 490.1 km; Rmss = 0.69 seconds; Gp = 60° Version =
Event ID	us 6000s5s7

(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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