2021-12-20 11:11:05 (M4.4) Tonga -16.3 -175.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.4 Earthquake - Tonga

Preliminary Report

Magnitude	4.4
Date-Time	20 Dec 2021 11:11:06 UTC 21 Dec 2021 00:11:06 near epicenter 20 Dec 2021 03:11:06 standard time in your timezone
Location	16.306S 175.448W
Depth	296 km
Distances	181.0 km (112.2 mi) WSW of Hihifo, Tonga 481.2 km (298.3 mi) SW of Apia, Samoa 535.7 km (332.1 mi) N of Nuku�alofa, Tonga 552.6 km (342.6 mi) WSW of T?funa, American Samoa 554.3 km (343.7 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 10.2 km; Vertical 8.4 km
Parameters	Nph = 52; Dmin = 474.5 km; Rmss = 0.45 seconds; Gp = 129° Version =
Event ID	us 6000gdt2

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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