2021-08-17 07:54:31 (M4.9) Tonga -17.4 -174.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	17 Aug 2021 07:54:32 UTC 17 Aug 2021 20:54:32 near epicenter 16 Aug 2021 23:54:32 standard time in your timezone
Location	17.442S 174.011W
Depth	45 km
Distances	133.9 km (83.0 mi) N of Neiafu, Tonga 428.0 km (265.4 mi) NNE of Nuku�alofa, Tonga 466.1 km (289.0 mi) SSW of Apia, Samoa 492.2 km (305.2 mi) SW of T?funa, American Samoa 498.1 km (308.8 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 10.6 km; Vertical 7.5 km
Parameters	Nph = 37; Dmin = 457.7 km; Rmss = 0.98 seconds; Gp = 73° Version =
Event ID	us 6000f7gj

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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