2025-06-18 19:20:37 (M4.6) Tonga -19.3 -174.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.6 Earthquake - Tonga

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 18 Jun 2025 19:20:37 Time near the Epicenter (1): 19 Jun 2025 08:20:37 Time in your area (1): 18 Jun 2025 11:20:37
Location	19.336S 174.407W
Depth	91 km
Distances	47.0 km (29.1 mi) N of Fangale’ounga, Tonga 53.2 km (33.0 mi) N of Pangai, Tonga 215.9 km (133.9 mi) NNE of Nuku‘alofa, Tonga 671.0 km (416.0 mi) SSW of Apia, Samoa 685.0 km (424.7 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 13.4 km; Vertical 7.6 km
Parameters	Nph = 21; Dmin = 471.7 km; Rmss = 1.33 seconds; Gp = 107° Version =
Event ID	us 6000ql2z

(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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