2023-08-04 23:38:43 (M4.9) TONGA -18.0 -173.1 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - TONGA

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 4 Aug 2023 23:38:43 Time near the Epicenter (1): 5 Aug 2023 12:38:43 Time in your area (1): 4 Aug 2023 15:38:43
Location	18.002S 173.124W
Depth	35 km
Distances	116 km (72 miles) NE (52 degrees) of Neiafu, Tonga 357 km (222 miles) WNW (288 degrees) of Niue Island 414 km (257 miles) NNE (33 degrees) of NUKU'ALOFA, Tonga 2493 km (1549 miles) W (265 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty	Horizontal: 8.8 km; Vertical 1.9 km
Parameters	Nph = 26; Dmin = 239.4 km; Rmss = 0.52 seconds; Gp = 90° Version =
Event ID	us 6000kxzs

(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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