2025-07-10 04:55:03 (M4.8) Tonga -15.5 -174.5 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.8 Earthquake - Tonga

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 10 Jul 2025 04:55:03 Time near the Epicenter (1): 10 Jul 2025 17:55:03 Time in your area (1): 9 Jul 2025 20:55:03
Location	15.458S 174.541W
Depth	184 km
Distances	96.9 km (60.1 mi) NW of Hihifo, Tonga 348.7 km (216.2 mi) WSW of Apia, Samoa 433.2 km (268.6 mi) WSW of Pago Pago, American Samoa 632.4 km (392.1 mi) N of Nuku‘alofa, Tonga 661.3 km (410.0 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 6.5 km; Vertical 7.9 km
Parameters	Nph = 38; Dmin = 342.7 km; Rmss = 1.18 seconds; Gp = 56° Version =
Event ID	us 7000qbr6

(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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