2026-07-20 21:11:30 (M4.9) Tonga -19.7 -174.9 (90be5)

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 20 Jul 2026 21:11:30 Time near the Epicenter (1): 21 Jul 2026 10:11:30 Time in your area (1): 20 Jul 2026 13:11:30
Location	19.663S 174.926W
Depth	57 km
Distances	62.2 km (38.6 mi) WNW of Pangai, Tonga 165.7 km (102.8 mi) N of Nuku‘alofa, Tonga 702.2 km (435.4 mi) ESE of Labasa, Fiji 713.4 km (442.3 mi) ESE of Nasinu, Fiji 720.5 km (446.7 mi) ESE of Suva, Fiji
Location Uncertainty	Horizontal: 11.6 km; Vertical 6.2 km
Parameters	Nph = 60; Dmin = 528.8 km; Rmss = 0.80 seconds; Gp = 100° Version =
Event ID	us 7000t21n

(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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