2020-01-01 08:31:23 (M5.4) Tonga region -17.4 -172.4 (70fa9)

M5.4 Earthquake - Tonga region

Preliminary Report

Magnitude	5.4
Date-Time	1 Jan 2020 08:31:24 UTC 31 Dec 2019 21:31:24 near epicenter 1 Jan 2020 14:01:24 standard time in your timezone
Location	17.352S 172.388W
Depth	10 km
Distances	215.6 km (133.7 mi) SE of Hihifo, Tonga 378.6 km (234.7 mi) SSW of T?funa, American Samoa 385.1 km (238.8 mi) SSW of Pago Pago, American Samoa 395.0 km (244.9 mi) S of Apia, Samoa 513.1 km (318.1 mi) NE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 9.7 km; Vertical 1.9 km
Parameters	Nph = 53; Dmin = 322.5 km; Rmss = 0.49 seconds; Gp = 63° Version =
Event ID	us 70006t3c

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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