2026-04-03 02:50:12 (M4.8) Tonga -17.0 -173.8 (90be5)

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 3 Apr 2026 02:50:12 Time near the Epicenter (1): 3 Apr 2026 15:50:12 Time in your area (1): 2 Apr 2026 18:50:12
Location	17.003S 173.776W
Depth	151 km
Distances	116.1 km (72.0 mi) S of Hihifo, Tonga 411.7 km (255.3 mi) SSW of Apia, Samoa 446.6 km (276.9 mi) SW of Pago Pago, American Samoa 481.5 km (298.5 mi) NNE of Nuku'alofa, Tonga 734.2 km (455.2 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 15.5 km; Vertical 8.2 km
Parameters	Nph = 29; Dmin = 871.5 km; Rmss = 0.87 seconds; Gp = 137° Version =
Event ID	us 6000sm9k

(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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