2025-03-09 18:39:25 (M4.9) Tonga -21.0 -174.0 (90be5)

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 9 Mar 2025 18:39:25 Time near the Epicenter (1): 10 Mar 2025 07:39:25 Time in your area (1): 9 Mar 2025 10:39:25
Location	21.002S 174.004W
Depth	10 km
Distances	105.8 km (65.6 mi) ENE of 'Ohonua, Tonga 125.3 km (77.7 mi) E of Nuku'alofa, Tonga 822.4 km (509.9 mi) SSW of Pago Pago, American Samoa 828.2 km (513.5 mi) SSW of Apia, Samoa 849.5 km (526.7 mi) ESE of Nasinu, Fiji
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.9 km
Parameters	Nph = 31; Dmin = 476.5 km; Rmss = 0.85 seconds; Gp = 130° Version =
Event ID	us 6000pxtu

(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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