2021-08-11 16:16:23 (M4.7) Tonga -19.7 -173.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	11 Aug 2021 16:16:23 UTC 12 Aug 2021 05:16:23 near epicenter 11 Aug 2021 08:16:23 standard time in your timezone
Location	19.737S 173.699W
Depth	10 km
Distances	69.2 km (42.9 mi) E of Pangai, Tonga 220.7 km (136.8 mi) NE of Nuku�alofa, Tonga 676.6 km (419.5 mi) SSW of T?funa, American Samoa 683.2 km (423.6 mi) SSW of Pago Pago, American Samoa 685.0 km (424.7 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 11.3 km; Vertical 1.9 km
Parameters	Nph = 26; Dmin = 762.5 km; Rmss = 1.01 seconds; Gp = 81° Version =
Event ID	us 6000f46b

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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