2022-10-17 20:30:39 (M4.5) Tonga -16.5 -173.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Tonga

Preliminary Report

Magnitude	4.5
Date-Time	17 Oct 2022 20:30:40 UTC 18 Oct 2022 09:30:40 near epicenter 17 Oct 2022 12:30:40 standard time in your timezone
Location	16.505S 173.397W
Depth	70 km
Distances	74.4 km (46.1 mi) SE of Hihifo, Tonga 343.6 km (213.0 mi) SSW of Apia, Samoa 374.3 km (232.1 mi) SW of T?funa, American Samoa 379.9 km (235.5 mi) SW of Pago Pago, American Samoa 547.2 km (339.2 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 8.6 km; Vertical 8.8 km
Parameters	Nph = 29; Dmin = 245.6 km; Rmss = 0.45 seconds; Gp = 75° Version =
Event ID	us 6000iuei

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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