2025-03-30 12:18:43 UPDATED: (M7.1) Tonga -20.4 -173.8 (90be5)

M7.1 Earthquake - Tonga

Preliminary Report

Magnitude	7.1
Date-Time	Universal Time (UTC): 30 Mar 2025 12:18:43 Time near the Epicenter (1): 31 Mar 2025 01:18:43 Time in your area (1): 30 Mar 2025 04:18:43
Location	20.417S 173.772W
Depth	10 km
Distances	90.3 km (56.0 mi) SE of Pangai, Tonga 168.8 km (104.6 mi) ENE of Nuku'alofa, Tonga 753.6 km (467.2 mi) SSW of Pago Pago, American Samoa 759.2 km (470.7 mi) SSW of Apia, Samoa 848.4 km (526.0 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 9.4 km; Vertical 1.9 km
Parameters	Nph = 40; Dmin = 429.1 km; Rmss = 1.07 seconds; Gp = 115° Version =
Event ID	us 7000pntq

(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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