2025-05-31 13:14:52 (M4.7) Tonga -15.8 -174.2 (90be5)

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	Universal Time (UTC): 31 May 2025 13:14:53 Time near the Epicenter (1): 1 Jun 2025 02:14:53 Time in your area (1): 31 May 2025 05:14:53
Location	15.833S 174.204W
Depth	108 km
Distances	45.7 km (28.4 mi) WNW of Hihifo, Tonga 343.2 km (212.8 mi) SW of Apia, Samoa 413.9 km (256.6 mi) WSW of Pago Pago, American Samoa 596.5 km (369.8 mi) N of Nuku'alofa, Tonga 691.1 km (428.5 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 11.8 km; Vertical 7.3 km
Parameters	Nph = 64; Dmin = 336.2 km; Rmss = 0.88 seconds; Gp = 93° Version =
Event ID	us 6000qh2x

(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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