2025-03-21 20:02:57 (M4.6) Tonga -17.5 -174.9 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.6 Earthquake - Tonga

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 21 Mar 2025 20:02:58 Time near the Epicenter (1): 22 Mar 2025 09:02:58 Time in your area (1): 21 Mar 2025 12:02:58
Location	17.495S 174.907W
Depth	253 km
Distances	161.0 km (99.8 mi) NW of Neiafu, Tonga 404.3 km (250.7 mi) N of Nuku‘alofa, Tonga 526.8 km (326.6 mi) SW of Apia, Samoa 573.9 km (355.8 mi) SW of Pago Pago, American Samoa 621.3 km (385.2 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 10.5 km; Vertical 6.7 km
Parameters	Nph = 33; Dmin = 518.9 km; Rmss = 0.77 seconds; Gp = 83° Version =
Event ID	us 7000plqg

(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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