2025-12-29 02:18:17 (M4.7) Tonga region -17.5 -172.2 (90be5)

M4.7 Earthquake - Tonga region

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 29 Dec 2025 02:18:18 Time near the Epicenter (1): 28 Dec 2025 15:18:18 Time in your area (1): 28 Dec 2025 18:18:18
Location	17.483S 172.192W
Depth	10 km
Distances	229.5 km (142.3 mi) NE of Neiafu, Tonga 388.9 km (241.1 mi) SSW of Pago Pago, American Samoa 406.4 km (252.0 mi) S of Apia, Samoa 513.4 km (318.3 mi) NE of Nuku'alofa, Tonga 906.6 km (562.1 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 8.6 km; Vertical 1.8 km
Parameters	Nph = 26; Dmin = 297.2 km; Rmss = 0.70 seconds; Gp = 98° Version =
Event ID	us 7000rlai

(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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