2021-05-04 19:51:43 (M5.5) Tonga -20.7 -173.7 (70fa9)

M5.5 Earthquake - Tonga

Preliminary Report

Magnitude	5.5
Date-Time	4 May 2021 19:51:43 UTC 5 May 2021 08:51:43 near epicenter 5 May 2021 01:21:43 standard time in your timezone
Location	20.692S 173.747W
Depth	10 km
Distances	116.0 km (71.9 mi) SSE of Pangai, Tonga 159.2 km (98.7 mi) ENE of Nuku�alofa, Tonga 773.4 km (479.5 mi) SSW of T?funa, American Samoa 780.0 km (483.6 mi) SSW of Pago Pago, American Samoa 787.7 km (488.4 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 10.7 km; Vertical 1.9 km
Parameters	Nph = 63; Dmin = 778.6 km; Rmss = 1.08 seconds; Gp = 37° Version =
Event ID	us 7000e04m

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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