2023-08-18 13:09:22 (M4.9) Tonga -17.9 -174.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 18 Aug 2023 13:09:22 Time near the Epicenter (1): 19 Aug 2023 02:09:22 Time in your area (1): 18 Aug 2023 05:09:22
Location	17.855S 174.364W
Depth	59 km
Distances	97.0 km (60.1 mi) NNW of Neiafu, Tonga 373.8 km (231.8 mi) NNE of Nuku�alofa, Tonga 524.8 km (325.4 mi) SSW of Apia, Samoa 556.8 km (345.2 mi) SW of Pago Pago, American Samoa 685.5 km (425.0 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 8.8 km; Vertical 7.2 km
Parameters	Nph = 44; Dmin = 95.9 km; Rmss = 0.77 seconds; Gp = 105° Version =
Event ID	us 7000kp7p

(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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