2023-01-17 20:46:36 (M5.1) Tonga region -17.7 -171.1 (70fa9)

M5.1 Earthquake - Tonga region

Preliminary Report

Magnitude	5.1
Date-Time	17 Jan 2023 20:46:36 UTC 17 Jan 2023 09:46:36 near epicenter 18 Jan 2023 02:16:36 standard time in your timezone
Location	17.740S 171.069W
Depth	15 km
Distances	324.4 km (201.1 mi) ENE of Neiafu, Tonga 378.5 km (234.7 mi) S of T?funa, American Samoa 385.1 km (238.7 mi) S of Pago Pago, American Samoa 438.7 km (272.0 mi) S of Apia, Samoa 574.3 km (356.1 mi) NE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 5.3 km; Vertical 4.5 km
Parameters	Nph = 35; Dmin = 190.8 km; Rmss = 1.72 seconds; Gp = 72° Version =
Event ID	us 7000j4z6

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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