2023-10-28 22:14:58 (M4.9) Tonga region -17.8 -172.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - Tonga region

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 28 Oct 2023 22:14:59 Time near the Epicenter (1): 29 Oct 2023 11:14:59 Time in your area (1): 28 Oct 2023 14:14:59
Location	17.817S 172.832W
Depth	10 km
Distances	152.9 km (94.8 mi) NE of Neiafu, Tonga 443.8 km (275.1 mi) NNE of Nuku‘alofa, Tonga 453.0 km (280.9 mi) SSW of Pago Pago, American Samoa 455.3 km (282.3 mi) SSW of Apia, Samoa 844.4 km (523.5 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 12.5 km; Vertical 1.7 km
Parameters	Nph = 27; Dmin = 446.6 km; Rmss = 0.53 seconds; Gp = 129° Version =
Event ID	us 7000l79f

(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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