2026-09-19 09:59:59 (M5.0) South Sandwich Islands region -55.6 -28.1 (70fa9)

M5.0 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.0
Date-Time	Universal Time (UTC): 19 Sep 2026 09:59:59 Time near the Epicenter (1): 19 Sep 2026 07:59:59 Time in your area (1): 19 Sep 2026 15:29:59
Location	55.626S 28.112W
Depth	77 km
Distances	2382.0 km (1476.8 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2524.5 km (1565.2 mi) ENE of Ushuaia, Argentina 2525.8 km (1566.0 mi) ENE of Río Grande, Argentina 2714.7 km (1683.1 mi) E of Río Gallegos, Argentina 2716.5 km (1684.2 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 12.5 km; Vertical 7.9 km
Parameters	Nph = 48; Dmin = 557.2 km; Rmss = 0.77 seconds; Gp = 74° Version =
Event ID	us 7000tiis

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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