2021-12-21 07:50:56 (M4.9) Tristan da Cunha region -34.1 -14.6 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Tristan da Cunha region

Preliminary Report

Magnitude	4.9
Date-Time	21 Dec 2021 07:50:57 UTC 21 Dec 2021 06:50:57 near epicenter 20 Dec 2021 23:50:57 standard time in your timezone
Location	34.137S 14.599W
Depth	10 km
Distances	385.5 km (239.0 mi) NNW of Edinburgh of the Seven Seas, Saint Helena 2936.9 km (1820.9 mi) ESE of S�o Jo�o da Barra, Brazil 2942.9 km (1824.6 mi) ESE of Arma��o de B�zios, Brazil 2943.1 km (1824.7 mi) ESE of Arraial do Cabo, Brazil 2947.5 km (1827.4 mi) ESE of Cabo Frio, Brazil
Location Uncertainty	Horizontal: 14.8 km; Vertical 1.9 km
Parameters	Nph = 24; Dmin = 2817.9 km; Rmss = 0.78 seconds; Gp = 114° Version =
Event ID	us 6000ge48

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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