2026-05-10 16:41:43 (M5.3) Tonga -16.8 -173.4 (70fa9)

M5.3 Earthquake - Tonga

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 10 May 2026 16:41:43 Time near the Epicenter (1): 11 May 2026 05:41:43 Time in your area (1): 10 May 2026 22:11:43
Location	16.801S 173.423W
Depth	10 km
Distances	101.8 km (63.1 mi) SSE of Hihifo, Tonga 373.5 km (231.6 mi) SSW of Apia, Samoa 403.9 km (250.4 mi) SW of Pago Pago, American Samoa 515.1 km (319.4 mi) NNE of Nuku‘alofa, Tonga 770.6 km (477.7 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 9.2 km; Vertical 1.8 km
Parameters	Nph = 64; Dmin = 365.1 km; Rmss = 1.19 seconds; Gp = 54° Version =
Event ID	us 6000swr8

(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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