2026-06-21 17:29:43 (M4.8) Tonga -19.5 -173.5 (90be5)

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 21 Jun 2026 17:29:43 Time near the Epicenter (1): 22 Jun 2026 06:29:43 Time in your area (1): 21 Jun 2026 09:29:43
Location	19.546S 173.525W
Depth	10 km
Distances	86.7 km (53.8 mi) ENE of Fangale’ounga, Tonga 91.9 km (57.0 mi) ENE of Pangai, Tonga 248.3 km (153.9 mi) NE of Nuku‘alofa, Tonga 655.9 km (406.7 mi) SSW of Pago Pago, American Samoa 659.4 km (408.8 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 13.7 km; Vertical 1.9 km
Parameters	Nph = 45; Dmin = 650.4 km; Rmss = 0.62 seconds; Gp = 129° Version =
Event ID	us 7000sv0m

(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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