2026-08-11 18:45:19 (M4.6) Tonga region -19.1 -173.0 (90be5)

M4.6 Earthquake - Tonga region

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 11 Aug 2026 18:45:20 Time near the Epicenter (1): 12 Aug 2026 07:45:20 Time in your area (1): 11 Aug 2026 10:45:20
Location	19.084S 172.951W
Depth	10 km
Distances	118.9 km (73.7 mi) ESE of Neiafu, Tonga 327.1 km (202.8 mi) NE of Nuku‘alofa, Tonga 583.4 km (361.7 mi) SSW of Pago Pago, American Samoa 594.7 km (368.7 mi) SSW of Apia, Samoa 866.0 km (536.9 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 8.1 km; Vertical 1.8 km
Parameters	Nph = 23; Dmin = 318.0 km; Rmss = 0.92 seconds; Gp = 104° Version =
Event ID	us 6000tk14

(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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