2025-12-13 20:47:12 (M4.0) Tonga -17.3 -174.1 (90be5)

M4.0 Earthquake - Tonga

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 13 Dec 2025 20:47:13 Time near the Epicenter (1): 14 Dec 2025 09:47:13 Time in your area (1): 13 Dec 2025 12:47:13
Location	17.260S 174.131W
Depth	112 km
Distances	148.9 km (92.3 mi) SSW of Hihifo, Tonga 443.6 km (275.0 mi) NNE of Nuku'alofa, Tonga 456.2 km (282.8 mi) SW of Apia, Samoa 493.8 km (306.2 mi) SW of Pago Pago, American Samoa 699.2 km (433.5 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 13.2 km; Vertical 14.8 km
Parameters	Nph = 15; Dmin = 447.9 km; Rmss = 1.09 seconds; Gp = 135° Version =
Event ID	us 6000rupx

(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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