2026-10-27 09:07:45 (M5.0) Tonga -15.2 -173.4 (70fa9)

M5.0 Earthquake - Tonga

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 27 Oct 2026 09:07:45 Time near the Epicenter (1): 27 Oct 2026 22:07:45 Time in your area (1): 27 Oct 2026 14:37:45
Location	15.174S 173.409W
Depth	10 km
Distances	95.8 km (59.4 mi) NNE of Hihifo, Tonga 231.0 km (143.2 mi) SW of Apia, Samoa 307.9 km (190.9 mi) WSW of Pago Pago, American Samoa 686.7 km (425.7 mi) NNE of Nuku‘alofa, Tonga 786.6 km (487.7 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 14.0 km; Vertical 1.8 km
Parameters	Nph = 40; Dmin = 224.2 km; Rmss = 0.78 seconds; Gp = 123° Version =
Event ID	us 7000ttfc

(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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