2023-09-15 17:04:30 (M5.1) Tonga -15.6 -174.4 (70fa9)

M5.1 Earthquake - Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 15 Sep 2023 17:04:30 Time near the Epicenter (1): 16 Sep 2023 06:04:30 Time in your area (1): 15 Sep 2023 22:34:30
Location	15.581S 174.392W
Depth	183 km
Distances	76.1 km (47.2 mi) WNW of Hihifo, Tonga 342.5 km (212.3 mi) SW of Apia, Samoa 422.3 km (261.8 mi) WSW of Pago Pago, American Samoa 620.9 km (385.0 mi) N of Nuku'alofa, Tonga 674.9 km (418.4 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 7.2 km; Vertical 6.1 km
Parameters	Nph = 82; Dmin = 341.8 km; Rmss = 1.09 seconds; Gp = 54° Version =
Event ID	us 7000kw0c

(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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