2026-01-20 05:39:06 (M5.1) Tonga -15.0 -173.2 (70fa9)

M5.1 Earthquake - Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 20 Jan 2026 05:39:07 Time near the Epicenter (1): 20 Jan 2026 18:39:07 Time in your area (1): 20 Jan 2026 11:09:07
Location	15.033S 173.215W
Depth	102 km
Distances	119.5 km (74.1 mi) NNE of Hihifo, Tonga 205.0 km (127.1 mi) SW of Apia, Samoa 283.3 km (175.6 mi) WSW of Pago Pago, American Samoa 707.5 km (438.6 mi) NNE of Nuku'alofa, Tonga 810.1 km (502.3 mi) ENE of Labasa, Fiji
Location Uncertainty	Horizontal: 16.4 km; Vertical 6.1 km
Parameters	Nph = 31; Dmin = 809.7 km; Rmss = 1.35 seconds; Gp = 130° Version =
Event ID	us 7000rqqz

(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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