2021-12-21 08:54:26 (M4.9) South Sandwich Islands region -57.1 -23.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	4.9
Date-Time	21 Dec 2021 08:54:26 UTC 21 Dec 2021 06:54:26 near epicenter 21 Dec 2021 00:54:26 standard time in your timezone
Location	57.069S 23.471W
Depth	10 km
Distances	2372.5 km (1471.0 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2762.7 km (1712.9 mi) ENE of Ushuaia, Argentina 2774.3 km (1720.1 mi) ENE of R�o Grande, Argentina 2976.7 km (1845.6 mi) E of R�o Gallegos, Argentina 2995.9 km (1857.5 mi) ENE of Punta Arenas, Chile
Location Uncertainty	Horizontal: 12.6 km; Vertical 1.9 km
Parameters	Nph = 28; Dmin = 875.0 km; Rmss = 0.37 seconds; Gp = 85° Version =
Event ID	us 6000ge4s

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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