2017-10-31 21:10:15 (M4.9) Tonga -15.7 -173.3 (90be5)

M4.9 - Tonga

Preliminary Earthquake Report

Magnitude	4.9
Date-Time	31 Oct 2017 21:10:16 UTC 31 Oct 2017 21:10:16 near epicenter 31 Oct 2017 13:10:16 standard time in your timezone
Location	15.700S 173.307W
Depth	10 km
Distances	59.5 km (36.9 mi) ENE of Hihifo, Tonga 264.9 km (164.2 mi) SW of Apia, Samoa 316.5 km (196.2 mi) WSW of Tāfuna, American Samoa 321.3 km (199.2 mi) WSW of Pago Pago, American Samoa 634.5 km (393.4 mi) NNE of Nuku'alofa, Tonga
Location Uncertainty	Horizontal: 10.5 km; Vertical 1.9 km
Parameters	Nph = 22; Dmin = 517.9 km; Rmss = 0.90 seconds; Gp = 85° Version =
Event ID	us 1000azcz

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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