2026-07-11 06:52:27 (M5.4) South Sandwich Islands region -59.6 -26.3 (70fa9)

M5.4 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.4
Date-Time	Universal Time (UTC): 11 Jul 2026 06:52:27 Time near the Epicenter (1): 11 Jul 2026 04:52:27 Time in your area (1): 11 Jul 2026 12:22:27
Location	59.633S 26.294W
Depth	104 km
Distances	2502.5 km (1551.6 mi) E of Tolhuin, Argentina 2548.9 km (1580.3 mi) E of Ushuaia, Argentina 2572.4 km (1594.9 mi) E of Río Grande, Argentina 2789.9 km (1729.7 mi) E of Punta Arenas, Chile 2790.2 km (1729.9 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 11.3 km; Vertical 6.8 km
Parameters	Nph = 68; Dmin = 859.2 km; Rmss = 0.93 seconds; Gp = 70° Version =
Event ID	us 7000sznc

(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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