2023-03-04 03:46:30 (M4.5) Tonga -15.5 -174.7 (1cbfb)

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M4.5 Earthquake - Tonga

Preliminary Report
Magnitude 4.5
Date-Time
  • Universal Time (UTC): 4 Mar 2023 03:46:30
  • Time near the Epicenter (1): 4 Mar 2023 16:46:30
  • Time in your area (1): 3 Mar 2023 19:46:30
Location 15.540S 174.702W
Depth 259 km
Distances
  • 107.3 km (66.5 mi) WNW of Hihifo, Tonga
  • 368.2 km (228.3 mi) WSW of Apia, Samoa
  • 448.6 km (278.1 mi) WSW of T?funa, American Samoa
  • 452.4 km (280.5 mi) WSW of Pago Pago, American Samoa
  • 622.0 km (385.6 mi) N of Nuku�alofa, Tonga
Location Uncertainty Horizontal: 12.2 km; Vertical 8.8 km
Parameters Nph = 22; Dmin = 392.0 km; Rmss = 0.69 seconds; Gp = 109°
Version =
Event ID us 7000jh8j

(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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