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04 October, 2023

2023-10-03 19:04:31 (M5.0) Tonga -19.9 -173.7 (70fa9)

M5.0 Earthquake - Tonga

Preliminary Report
Magnitude 5.0
Date-Time
  • Universal Time (UTC): 3 Oct 2023 19:04:32
  • Time near the Epicenter (1): 4 Oct 2023 08:04:32
  • Time in your area (1): 4 Oct 2023 00:34:32
Location 19.883S 173.664W
Depth 31 km
Distances
  • 70.5 km (43.7 mi) ESE of Fangale'ounga, Tonga
  • 72.7 km (45.1 mi) E of Pangai, Tonga
  • 212.1 km (131.5 mi) NE of Nuku'alofa, Tonga
  • 695.7 km (431.3 mi) SSW of Pago Pago, American Samoa
  • 699.3 km (433.6 mi) SSW of Apia, Samoa
Location Uncertainty Horizontal: 6.0 km; Vertical 4.8 km
Parameters Nph = 82; Dmin = 72.1 km; Rmss = 0.52 seconds; Gp = 69°
Version =
Event ID us 6000lcl9

(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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