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31 October, 2017

2017-10-31 04:58:58 UPDATED: (M5.8) Tonga -15.5 -173.3 (70fa9)

M5.8 - Tonga

Preliminary Earthquake Report
Magnitude 5.8
Date-Time
  • 31 Oct 2017 04:58:58 UTC
  • 31 Oct 2017 04:58:58 near epicenter
  • 31 Oct 2017 10:28:58 standard time in your timezone
Location 15.531S 173.321W
Depth 35 km
Distances
  • 69.2 km (42.9 mi) NE of Hihifo, Tonga
  • 251.6 km (156.0 mi) SW of Apia, Samoa
  • 309.4 km (191.9 mi) WSW of Tāfuna, American Samoa
  • 314.0 km (194.7 mi) WSW of Pago Pago, American Samoa
  • 651.8 km (404.1 mi) NNE of Nuku'alofa, Tonga
Location Uncertainty Horizontal: 11.9 km; Vertical 1.9 km
Parameters Nph = 85; Dmin = 2248.6 km; Rmss = 0.88 seconds; Gp = 37°
Version =
Event ID us 1000aywi

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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