2025-07-17 07:15:32 (M5.1) south of Tonga -24.1 -175.8 (70fa9)

M5.1 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 17 Jul 2025 07:15:33 Time near the Epicenter (1): 17 Jul 2025 20:15:33 Time in your area (1): 17 Jul 2025 12:45:33
Location	24.133S 175.816W
Depth	10 km
Distances	321.5 km (199.3 mi) SSW of 'Ohonua, Tonga 337.7 km (209.4 mi) S of Nuku'alofa, Tonga 892.8 km (553.6 mi) SE of Nasinu, Fiji 893.3 km (553.9 mi) SE of Suva, Fiji 959.2 km (594.7 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 11.1 km; Vertical 1.9 km
Parameters	Nph = 85; Dmin = 827.0 km; Rmss = 0.57 seconds; Gp = 125° Version =
Event ID	us 7000qd5x

(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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