2021-11-06 08:55:15 (M4.4) Tonga -17.0 -174.4 (1cbfb)

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M4.4 Earthquake - Tonga

Preliminary Report
Magnitude 4.4
Date-Time
  • 6 Nov 2021 08:55:15 UTC
  • 6 Nov 2021 21:55:15 near epicenter
  • 6 Nov 2021 00:55:15 standard time in your timezone
Location 16.996S 174.393W
Depth 216 km
Distances
  • 131.7 km (81.7 mi) SSW of Hihifo, Tonga
  • 449.4 km (278.6 mi) SW of Apia, Samoa
  • 466.5 km (289.2 mi) N of Nuku�alofa, Tonga
  • 491.6 km (304.8 mi) SW of T?funa, American Samoa
  • 497.0 km (308.2 mi) SW of Pago Pago, American Samoa
Location Uncertainty Horizontal: 8.8 km; Vertical 8.1 km
Parameters Nph = 28; Dmin = 441.4 km; Rmss = 0.74 seconds; Gp = 129°
Version =
Event ID us 7000fryt

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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