2023-08-08 18:38:55 UPDATED: (M5.9) Tonga -15.3 -173.2 (70fa9)

M5.9 Earthquake - Tonga

Preliminary Report

Magnitude	5.9
Date-Time	Universal Time (UTC): 8 Aug 2023 18:38:56 Time near the Epicenter (1): 9 Aug 2023 07:38:56 Time in your area (1): 9 Aug 2023 00:08:56
Location	15.251S 173.171W
Depth	58 km
Distances	102.7 km (63.7 mi) NE of Hihifo, Tonga 218.0 km (135.2 mi) SW of Apia, Samoa 282.7 km (175.3 mi) WSW of T?funa, American Samoa 286.8 km (177.8 mi) WSW of Pago Pago, American Samoa 686.2 km (425.4 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 6.0 km; Vertical 4.7 km
Parameters	Nph = 197; Dmin = 301.7 km; Rmss = 1.48 seconds; Gp = 43° Version =
Event ID	us 6000kyph

(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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