2026-05-16 06:29:07 (M4.6) Tonga -15.5 -175.1 (90be5)

M4.6 Earthquake - Tonga

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 16 May 2026 06:29:08 Time near the Epicenter (1): 16 May 2026 19:29:08 Time in your area (1): 15 May 2026 22:29:08
Location	15.520S 175.082W
Depth	287 km
Distances	145.9 km (90.5 mi) WNW of Hihifo, Tonga 402.9 km (249.8 mi) WSW of Apia, Samoa 490.8 km (304.3 mi) WSW of Pago Pago, American Samoa 603.0 km (373.9 mi) E of Labasa, Fiji 621.8 km (385.5 mi) N of Nuku‘alofa, Tonga
Location Uncertainty	Horizontal: 13.6 km; Vertical 8.3 km
Parameters	Nph = 34; Dmin = 397.1 km; Rmss = 0.44 seconds; Gp = 98° Version =
Event ID	us 6000sy5s

(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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