2022-04-20 15:16:31 (M4.9) Tonga region -19.1 -172.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Tonga region

Preliminary Report

Magnitude	4.9
Date-Time	20 Apr 2022 15:16:31 UTC 21 Apr 2022 04:16:31 near epicenter 20 Apr 2022 07:16:31 standard time in your timezone
Location	19.139S 172.920W
Depth	10 km
Distances	124.4 km (77.2 mi) ESE of Neiafu, Tonga 325.5 km (201.8 mi) NE of Nuku�alofa, Tonga 581.0 km (360.2 mi) SSW of T?funa, American Samoa 587.6 km (364.3 mi) SSW of Pago Pago, American Samoa 599.9 km (372.0 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 7.0 km; Vertical 1.9 km
Parameters	Nph = 38; Dmin = 590.9 km; Rmss = 1.42 seconds; Gp = 88° Version =
Event ID	us 7000h3l1

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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