2022-04-21 19:40:47 (M4.7) Tonga -16.6 -174.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	21 Apr 2022 19:40:47 UTC 22 Apr 2022 08:40:47 near epicenter 21 Apr 2022 11:40:47 standard time in your timezone
Location	16.637S 174.022W
Depth	119 km
Distances	79.3 km (49.2 mi) SSW of Hihifo, Tonga 393.6 km (244.0 mi) SW of Apia, Samoa 436.3 km (270.5 mi) SW of T?funa, American Samoa 441.6 km (273.8 mi) SW of Pago Pago, American Samoa 513.6 km (318.4 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 8.9 km; Vertical 5.3 km
Parameters	Nph = 34; Dmin = 385.6 km; Rmss = 0.85 seconds; Gp = 135° Version =
Event ID	us 6000hfeq

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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