2026-07-27 23:12:12 (M5.1) south of Tonga -24.8 -175.3 (70fa9)

M5.1 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 27 Jul 2026 23:12:13 Time near the Epicenter (1): 28 Jul 2026 12:12:13 Time in your area (1): 28 Jul 2026 04:42:13
Location	24.778S 175.256W
Depth	10 km
Distances	381.9 km (236.8 mi) S of ‘Ohonua, Tonga 403.3 km (250.1 mi) S of Nuku‘alofa, Tonga 984.0 km (610.1 mi) SE of Nasinu, Fiji 984.4 km (610.3 mi) SE of Suva, Fiji 1049.5 km (650.7 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 11.5 km; Vertical 1.9 km
Parameters	Nph = 40; Dmin = 1042.3 km; Rmss = 1.09 seconds; Gp = 122° Version =
Event ID	us 6000tg95

(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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