2025-06-28 05:17:20 (M4.8) Tonga -15.0 -174.3 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 28 Jun 2025 05:17:20 Time near the Epicenter (1): 28 Jun 2025 18:17:20 Time in your area (1): 27 Jun 2025 21:17:20
Location	15.026S 174.329W
Depth	69 km
Distances	117.6 km (72.9 mi) NNW of Hihifo, Tonga 306.2 km (189.9 mi) WSW of Apia, Samoa 399.4 km (247.6 mi) WSW of Pago Pago, American Samoa 682.7 km (423.2 mi) N of Nuku‘alofa, Tonga 693.5 km (430.0 mi) ENE of Labasa, Fiji
Location Uncertainty	Horizontal: 11.9 km; Vertical 7.7 km
Parameters	Nph = 40; Dmin = 300.8 km; Rmss = 0.75 seconds; Gp = 91° Version =
Event ID	us 7000q9ae

(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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