2025-07-15 04:27:08 (M4.9) Tonga -20.6 -174.2 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 15 Jul 2025 04:27:09 Time near the Epicenter (1): 15 Jul 2025 17:27:09 Time in your area (1): 14 Jul 2025 20:27:09
Location	20.558S 174.212W
Depth	10 km
Distances	83.6 km (51.8 mi) S of Pangai, Tonga 121.3 km (75.2 mi) ENE of Nuku‘alofa, Tonga 788.3 km (488.8 mi) SSW of Apia, Samoa 788.6 km (488.9 mi) SSW of Pago Pago, American Samoa 812.5 km (503.7 mi) ESE of Nasinu, Fiji
Location Uncertainty	Horizontal: 11.4 km; Vertical 1.9 km
Parameters	Nph = 46; Dmin = 477.6 km; Rmss = 0.83 seconds; Gp = 106° Version =
Event ID	us 7000qcqx

(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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