2025-08-05 14:57:05 (M4.8) Tonga -20.4 -175.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 5 Aug 2025 14:57:06 Time near the Epicenter (1): 6 Aug 2025 03:57:06 Time in your area (1): 5 Aug 2025 06:57:06
Location	20.412S 175.788W
Depth	198 km
Distances	98.0 km (60.8 mi) NNW of Houma, Tonga 100.9 km (62.6 mi) NW of Nuku‘alofa, Tonga 134.5 km (83.4 mi) NW of ‘Ohonua, Tonga 652.7 km (404.7 mi) ESE of Nasinu, Fiji 658.3 km (408.1 mi) ESE of Suva, Fiji
Location Uncertainty	Horizontal: 15.0 km; Vertical 9.0 km
Parameters	Nph = 30; Dmin = 671.1 km; Rmss = 1.08 seconds; Gp = 101° Version =
Event ID	us 6000qych

(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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