2020-04-20 18:37:11 (M4.7) Tonga -15.5 -173.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	20 Apr 2020 18:37:11 UTC 20 Apr 2020 06:37:11 near epicenter 20 Apr 2020 10:37:11 standard time in your timezone
Location	15.461S 173.651W
Depth	35 km
Distances	56.7 km (35.2 mi) NNE of Hihifo, Tonga 271.4 km (168.3 mi) SW of Apia, Samoa 339.1 km (210.2 mi) WSW of T?funa, American Samoa 343.3 km (212.8 mi) WSW of Pago Pago, American Samoa 649.5 km (402.7 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 13.9 km; Vertical 2.0 km
Parameters	Nph = 53; Dmin = 1596.9 km; Rmss = 0.62 seconds; Gp = 69° Version =
Event ID	us 700090lg

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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