2023-07-21 19:01:43 (M5.5) Tonga region -22.6 -175.0 (70fa9)

M5.5 Earthquake - Tonga region

Preliminary Report

Magnitude	5.5
Date-Time	Universal Time (UTC): 21 Jul 2023 19:01:44 Time near the Epicenter (1): 22 Jul 2023 08:01:44 Time in your area (1): 22 Jul 2023 00:31:44
Location	22.642S 175.043W
Depth	11 km
Distances	144.3 km (89.5 mi) S of �Ohonua, Tonga 167.5 km (103.8 mi) S of Nuku�alofa, Tonga 841.7 km (521.8 mi) SE of Nasinu, Fiji 844.6 km (523.6 mi) SE of Suva, Fiji 903.6 km (560.2 mi) SE of Labasa, Fiji
Location Uncertainty	Horizontal: 8.2 km; Vertical 4.1 km
Parameters	Nph = 109; Dmin = 163.8 km; Rmss = 0.99 seconds; Gp = 52° Version =
Event ID	us 7000khgr

(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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