2021-09-18 00:56:07 (M5.1) Tonga -15.7 -173.7 (70fa9)

M5.1 Earthquake - Tonga

Preliminary Report

Magnitude	5.1
Date-Time	18 Sep 2021 00:56:08 UTC 18 Sep 2021 13:56:08 near epicenter 18 Sep 2021 06:26:08 standard time in your timezone
Location	15.712S 173.709W
Depth	76 km
Distances	28.4 km (17.6 mi) NNE of Hihifo, Tonga 294.8 km (182.8 mi) SW of Apia, Samoa 355.6 km (220.5 mi) WSW of T?funa, American Samoa 360.2 km (223.3 mi) WSW of Pago Pago, American Samoa 621.1 km (385.1 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 8.2 km; Vertical 6.7 km
Parameters	Nph = 105; Dmin = 287.5 km; Rmss = 1.03 seconds; Gp = 48° Version =
Event ID	us 7000fca8

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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