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21 September, 2021

2021-09-21 04:42:49 (M5.0) Tonga -15.9 -175.3 (70fa9)

M5.0 Earthquake - Tonga

Preliminary Report
Magnitude 5.0
Date-Time
  • 21 Sep 2021 04:42:50 UTC
  • 21 Sep 2021 17:42:50 near epicenter
  • 21 Sep 2021 10:12:50 standard time in your timezone
Location 15.876S 175.297W
Depth 327 km
Distances
  • 161.0 km (99.8 mi) W of Hihifo, Tonga
  • 442.0 km (274.1 mi) WSW of Apia, Samoa
  • 520.7 km (322.8 mi) WSW of T?funa, American Samoa
  • 524.6 km (325.3 mi) WSW of Pago Pago, American Samoa
  • 574.3 km (356.0 mi) E of Labasa, Fiji
Location Uncertainty Horizontal: 12.4 km; Vertical 10.9 km
Parameters Nph = 32; Dmin = 349.3 km; Rmss = 0.76 seconds; Gp = 124°
Version =
Event ID us 7000fd2d

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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