2021-07-16 10:02:00 (M5.4) Tonga -17.8 -173.0 (70fa9)

M5.4 Earthquake - Tonga

Preliminary Report

Magnitude	5.4
Date-Time	16 Jul 2021 10:02:00 UTC 16 Jul 2021 23:02:00 near epicenter 16 Jul 2021 15:32:00 standard time in your timezone
Location	17.772S 173.041W
Depth	10 km
Distances	139.3 km (86.4 mi) NE of Neiafu, Tonga 436.4 km (270.5 mi) NNE of Nuku�alofa, Tonga 454.1 km (281.6 mi) SSW of T?funa, American Samoa 456.7 km (283.2 mi) SSW of Apia, Samoa 460.5 km (285.5 mi) SSW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.7 km
Parameters	Nph = 77; Dmin = 664.5 km; Rmss = 0.95 seconds; Gp = 66° Version =
Event ID	us 7000emgs

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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