2017-07-16 17:06:41 (M5.5) Tonga -20.4 -173.5 (70fa9)

M5.5 - Tonga

Preliminary Earthquake Report

Magnitude	5.5
Date-Time	16 Jul 2017 17:06:41 UTC 16 Jul 2017 17:06:41 near epicenter 16 Jul 2017 22:36:41 standard time in your timezone
Location	20.440S 173.453W
Depth	10 km
Distances	117.0 km (72.5 mi) SE of Pangai, Tonga 197.9 km (122.7 mi) ENE of Nuku'alofa, Tonga 735.3 km (455.9 mi) SSW of Tāfuna, American Samoa 741.9 km (460.0 mi) SSW of Pago Pago, American Samoa 752.9 km (466.8 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 8.2 km; Vertical 1.9 km
Parameters	Nph = 67; Dmin = 398.9 km; Rmss = 1.15 seconds; Gp = 81° Version =
Event ID	us 20009wsf

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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