2026-08-25 15:15:54 (M5.3) Tonga region -17.3 -172.0 (70fa9)

M5.3 Earthquake - Tonga region

Preliminary Report

Magnitude	5.3
Date-Time	Universal Time (UTC): 25 Aug 2026 15:15:55 Time near the Epicenter (1): 25 Aug 2026 04:15:55 Time in your area (1): 25 Aug 2026 20:45:55
Location	17.294S 172.037W
Depth	10 km
Distances	239.1 km (148.3 mi) SE of Hihifo, Tonga 363.0 km (225.1 mi) SSW of Pago Pago, American Samoa 384.0 km (238.1 mi) S of Apia, Samoa 540.0 km (334.8 mi) NE of Nuku‘alofa, Tonga 921.1 km (571.1 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 9.2 km; Vertical 1.8 km
Parameters	Nph = 71; Dmin = 297.7 km; Rmss = 1.07 seconds; Gp = 40° Version =
Event ID	us 6000tnd7

(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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