2025-05-23 19:43:54 (M4.7) Tonga -15.9 -174.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 23 May 2025 19:43:55 Time near the Epicenter (1): 24 May 2025 08:43:55 Time in your area (1): 23 May 2025 11:43:55
Location	15.863S 174.114W
Depth	153 km
Distances	35.5 km (22.0 mi) WNW of Hihifo, Tonga 338.0 km (209.6 mi) SW of Apia, Samoa 406.5 km (252.0 mi) WSW of Pago Pago, American Samoa 594.9 km (368.8 mi) N of Nuku‘alofa, Tonga 700.4 km (434.2 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 14.8 km; Vertical 9.3 km
Parameters	Nph = 37; Dmin = 330.9 km; Rmss = 0.68 seconds; Gp = 114° Version =
Event ID	us 7000q16g

(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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