2021-10-06 15:54:20 (M5.4) Tonga -15.5 -173.3 (70fa9)

M5.4 Earthquake - Tonga

Preliminary Report

Magnitude	5.4
Date-Time	6 Oct 2021 15:54:20 UTC 7 Oct 2021 04:54:20 near epicenter 6 Oct 2021 21:24:20 standard time in your timezone
Location	15.456S 173.338W
Depth	35 km
Distances	73.8 km (45.8 mi) NE of Hihifo, Tonga 246.8 km (153.0 mi) SW of Apia, Samoa 307.8 km (190.8 mi) WSW of T?funa, American Samoa 312.2 km (193.5 mi) WSW of Pago Pago, American Samoa 659.1 km (408.7 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 11.2 km; Vertical 1.9 km
Parameters	Nph = 79; Dmin = 239.3 km; Rmss = 0.66 seconds; Gp = 43° Version =
Event ID	us d000g72h

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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