2025-07-13 17:58:29 (M4.8) Tonga -18.9 -174.7 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 13 Jul 2025 17:58:30 Time near the Epicenter (1): 14 Jul 2025 06:58:30 Time in your area (1): 13 Jul 2025 09:58:30
Location	18.878S 174.725W
Depth	100 km
Distances	82.1 km (50.9 mi) WSW of Neiafu, Tonga 255.0 km (158.1 mi) N of Nuku‘alofa, Tonga 641.4 km (397.7 mi) SSW of Apia, Samoa 665.8 km (412.8 mi) SW of Pago Pago, American Samoa 682.9 km (423.4 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 11.6 km; Vertical 7.3 km
Parameters	Nph = 59; Dmin = 505.3 km; Rmss = 1.31 seconds; Gp = 84° Version =
Event ID	us 7000qcg4

(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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