2025-04-23 00:28:59 (M4.6) Tonga -17.3 -175.0 (90be5)

M4.6 Earthquake - Tonga

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 23 Apr 2025 00:28:59 Time near the Epicenter (1): 23 Apr 2025 13:28:59 Time in your area (1): 22 Apr 2025 16:28:59
Location	17.304S 175.015W
Depth	295 km
Distances	184.9 km (114.6 mi) NW of Neiafu, Tonga 424.7 km (263.3 mi) N of Nuku'alofa, Tonga 518.5 km (321.5 mi) SW of Apia, Samoa 570.6 km (353.8 mi) SW of Pago Pago, American Samoa 606.6 km (376.1 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 13.8 km; Vertical 13.7 km
Parameters	Nph = 29; Dmin = 510.7 km; Rmss = 0.71 seconds; Gp = 135° Version =
Event ID	us 7000pudg

(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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