2026-01-17 18:00:25 (M5.4) South Sandwich Islands region -55.8 -28.9 (70fa9)

M5.4 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 17 Jan 2026 18:00:25 Time near the Epicenter (1): 17 Jan 2026 16:00:25 Time in your area (1): 17 Jan 2026 23:30:25
Location	55.758S 28.876W
Depth	68 km
Distances	2416.6 km (1498.3 mi) ENE of Tolhuin, Argentina 2422.8 km (1502.2 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2474.2 km (1534.0 mi) ENE of Ushuaia, Argentina 2475.7 km (1534.9 mi) E of Río Grande, Argentina 2665.1 km (1652.3 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 11.9 km; Vertical 8.4 km
Parameters	Nph = 84; Dmin = 514.1 km; Rmss = 0.67 seconds; Gp = 164° Version =
Event ID	us 7000rqbc

(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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