2026-07-22 21:58:51 (M4.9) Tonga -15.8 -173.9 (90be5)

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 22 Jul 2026 21:58:51 Time near the Epicenter (1): 23 Jul 2026 10:58:51 Time in your area (1): 22 Jul 2026 13:58:51
Location	15.832S 173.903W
Depth	71 km
Distances	17.7 km (11.0 mi) NW of Hihifo, Tonga 319.0 km (197.8 mi) SW of Apia, Samoa 384.7 km (238.5 mi) WSW of Pago Pago, American Samoa 602.9 km (373.8 mi) NNE of Nuku‘alofa, Tonga 723.2 km (448.4 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 8.1 km; Vertical 6.9 km
Parameters	Nph = 72; Dmin = 311.7 km; Rmss = 0.76 seconds; Gp = 53° Version =
Event ID	us 7000t2jk

(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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