2023-02-19 23:21:18 (M4.5) Tonga -17.6 -174.4 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Tonga

Preliminary Report

Magnitude	4.5
Date-Time	Universal Time (UTC): 19 Feb 2023 23:21:19 Time near the Epicenter (1): 20 Feb 2023 12:21:19 Time in your area (1): 19 Feb 2023 15:21:19
Location	17.561S 174.431W
Depth	115 km
Distances	129.5 km (80.3 mi) NNW of Neiafu, Tonga 404.3 km (250.7 mi) NNE of Nuku�alofa, Tonga 501.7 km (311.0 mi) SW of Apia, Samoa 534.0 km (331.1 mi) SW of T?funa, American Samoa 539.7 km (334.6 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 9.1 km; Vertical 10.1 km
Parameters	Nph = 18; Dmin = 128.7 km; Rmss = 1.11 seconds; Gp = 112° Version =
Event ID	us 6000jq6p

(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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