2021-10-10 05:04:25 (M4.3) Tonga -17.5 -175.1 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.3 Earthquake - Tonga

Preliminary Report

Magnitude	4.3
Date-Time	10 Oct 2021 05:04:25 UTC 10 Oct 2021 18:04:25 near epicenter 9 Oct 2021 21:04:25 standard time in your timezone
Location	17.506S 175.142W
Depth	295 km
Distances	176.3 km (109.3 mi) NW of Neiafu, Tonga 402.3 km (249.4 mi) N of Nuku�alofa, Tonga 544.1 km (337.3 mi) SW of Apia, Samoa 589.2 km (365.3 mi) SW of T?funa, American Samoa 594.5 km (368.6 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 13.9 km; Vertical 11.6 km
Parameters	Nph = 37; Dmin = 476.1 km; Rmss = 0.62 seconds; Gp = 130° Version =
Event ID	us 6000ftgd

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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