2021-08-12 18:35:20 (M8.1) South Sandwich Islands region -58.4 -25.3 (70fa9)

M8.1 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	8.1
Date-Time	12 Aug 2021 18:35:20 UTC 12 Aug 2021 16:35:20 near epicenter 13 Aug 2021 00:05:20 standard time in your timezone
Location	58.416S 25.321W
Depth	48 km
Distances	2555.8 km (1584.6 mi) SSW of Edinburgh of the Seven Seas, Saint Helena 2623.7 km (1626.7 mi) E of Ushuaia, Argentina 2641.1 km (1637.5 mi) E of R�o Grande, Argentina 2851.4 km (1767.9 mi) E of R�o Gallegos, Argentina 2861.0 km (1773.8 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 8.4 km; Vertical 3.5 km
Parameters	Nph = 52; Dmin = 829.1 km; Rmss = 0.64 seconds; Gp = 77° Version =
Event ID	us 6000f53e

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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