2023-08-16 16:00:20 (M5.4) south of Tonga -24.4 -175.9 (70fa9)

M5.4 Earthquake - south of Tonga

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 16 Aug 2023 16:00:21 Time near the Epicenter (1): 17 Aug 2023 05:00:21 Time in your area (1): 16 Aug 2023 21:30:21
Location	24.403S 175.945W
Depth	16 km
Distances	353.9 km (219.4 mi) SSW of �Ohonua, Tonga 369.7 km (229.2 mi) SSW of Nuku�alofa, Tonga 906.6 km (562.1 mi) SE of Nasinu, Fiji 906.7 km (562.2 mi) SE of Suva, Fiji 970.3 km (601.6 mi) SE of Sigatoka, Fiji
Location Uncertainty	Horizontal: 10.4 km; Vertical 3.5 km
Parameters	Nph = 74; Dmin = 365.9 km; Rmss = 1.12 seconds; Gp = 65° Version =
Event ID	us 7000knsr

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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