2021-12-18 16:49:47 (M4.7) Tonga -20.6 -175.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	18 Dec 2021 16:49:48 UTC 19 Dec 2021 05:49:48 near epicenter 18 Dec 2021 08:49:48 standard time in your timezone
Location	20.592S 175.015W
Depth	99 km
Distances	60.1 km (37.3 mi) N of Kolonga, Tonga 63.6 km (39.4 mi) NNE of Nuku�alofa, Tonga 82.3 km (51.0 mi) N of �Ohonua, Tonga 738.9 km (458.1 mi) ESE of Suva, Fiji 750.9 km (465.6 mi) SE of Labasa, Fiji
Location Uncertainty	Horizontal: 11.1 km; Vertical 8.1 km
Parameters	Nph = 41; Dmin = 793.6 km; Rmss = 0.71 seconds; Gp = 86° Version =
Event ID	us 6000gdf2

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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