2023-10-01 12:54:14 (M4.9) Tonga -15.9 -173.7 (90be5)

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 1 Oct 2023 12:54:15 Time near the Epicenter (1): 2 Oct 2023 01:54:15 Time in your area (1): 1 Oct 2023 04:54:15
Location	15.930S 173.710W
Depth	77 km
Distances	9.7 km (6.0 mi) ENE of Hihifo, Tonga 312.3 km (193.6 mi) SW of Apia, Samoa 371.3 km (230.2 mi) WSW of Pago Pago, American Samoa 597.5 km (370.4 mi) NNE of Nuku'alofa, Tonga 742.7 km (460.5 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 8.5 km; Vertical 7.2 km
Parameters	Nph = 45; Dmin = 385.6 km; Rmss = 1.47 seconds; Gp = 101° Version =
Event ID	us 6000lc3c

(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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