2022-12-21 03:41:55 (M4.7) South Sandwich Islands region -58.4 -25.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	4.7
Date-Time	21 Dec 2022 03:41:55 UTC 21 Dec 2022 01:41:55 near epicenter 20 Dec 2022 19:41:55 standard time in your timezone
Location	58.432S 25.547W
Depth	55 km
Distances	2560.7 km (1587.6 mi) E of Tolhuin, Argentina 2563.6 km (1589.4 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2610.4 km (1618.4 mi) E of Ushuaia, Argentina 2627.8 km (1629.2 mi) E of R�o Grande, Argentina 2838.1 km (1759.6 mi) E of R�o Gallegos, Argentina
Location Uncertainty	Horizontal: 12.2 km; Vertical 8.7 km
Parameters	Nph = 29; Dmin = 818.5 km; Rmss = 0.51 seconds; Gp = 82° Version =
Event ID	us 6000jark

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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