2025-08-14 04:38:14 UPDATED: (M5.6) Tonga region -18.4 -172.5 (70fa9)

M5.6 Earthquake - Tonga region

Preliminary Report

Magnitude	5.6
Date-Time	Universal Time (UTC): 14 Aug 2025 04:38:14 Time near the Epicenter (1): 14 Aug 2025 17:38:14 Time in your area (1): 14 Aug 2025 10:08:14
Location	18.372S 172.528W
Depth	10 km
Distances	156.8 km (97.2 mi) ENE of Neiafu, Tonga 415.0 km (257.3 mi) NE of Nuku'alofa, Tonga 493.2 km (305.8 mi) SSW of Pago Pago, American Samoa 508.8 km (315.4 mi) S of Apia, Samoa 887.7 km (550.4 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 9.6 km; Vertical 1.7 km
Parameters	Nph = 111; Dmin = 284.9 km; Rmss = 0.99 seconds; Gp = 32° Version =
Event ID	us 6000r0l4

(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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