2025-08-14 09:50:45 (M4.8) Tonga -16.0 -173.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 14 Aug 2025 09:50:46 Time near the Epicenter (1): 14 Aug 2025 22:50:46 Time in your area (1): 14 Aug 2025 01:50:46
Location	16.042S 173.382W
Depth	10 km
Distances	45.4 km (28.1 mi) ESE of Hihifo, Tonga 299.9 km (185.9 mi) SW of Apia, Samoa 347.9 km (215.7 mi) SW of Pago Pago, American Samoa 595.7 km (369.3 mi) NNE of Nuku‘alofa, Tonga 776.6 km (481.5 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 7.8 km; Vertical 1.7 km
Parameters	Nph = 38; Dmin = 361.8 km; Rmss = 0.79 seconds; Gp = 107° Version =
Event ID	us 6000r0nc

(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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