2025-09-26 11:51:12 (M4.9) Tonga -16.8 -173.5 (90be5)

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 26 Sep 2025 11:51:13 Time near the Epicenter (1): 27 Sep 2025 00:51:13 Time in your area (1): 26 Sep 2025 03:51:13
Location	16.804S 173.514W
Depth	35 km
Distances	98.8 km (61.2 mi) SSE of Hihifo, Tonga 378.5 km (234.7 mi) SSW of Apia, Samoa 411.2 km (254.9 mi) SW of Pago Pago, American Samoa 511.4 km (317.1 mi) NNE of Nuku'alofa, Tonga 761.0 km (471.8 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 9.6 km; Vertical 1.9 km
Parameters	Nph = 35; Dmin = 370.1 km; Rmss = 1.04 seconds; Gp = 87° Version =
Event ID	us 6000rd49

(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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