2026-09-17 04:06:53 (M5.3) Tonga -17.3 -173.4 (70fa9)

M5.3 Earthquake - Tonga

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 17 Sep 2026 04:06:54 Time near the Epicenter (1): 17 Sep 2026 17:06:54 Time in your area (1): 17 Sep 2026 09:36:54
Location	17.323S 173.448W
Depth	10 km
Distances	156.0 km (96.7 mi) SSE of Hihifo, Tonga 426.2 km (264.2 mi) SSW of Apia, Samoa 447.2 km (277.3 mi) SW of Pago Pago, American Samoa 460.6 km (285.6 mi) NNE of Nuku‘alofa, Tonga 772.2 km (478.7 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 7.9 km; Vertical 1.8 km
Parameters	Nph = 69; Dmin = 417.6 km; Rmss = 0.65 seconds; Gp = 50° Version =
Event ID	us 7000thz3

(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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