2026-03-20 01:15:54 (M5.1) South Shetland Islands -61.1 -56.1 (70fa9)

M5.1 Earthquake - South Shetland Islands

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 20 Mar 2026 01:15:54 Time near the Epicenter (1): 19 Mar 2026 21:15:54 Time in your area (1): 20 Mar 2026 06:45:54
Location	61.131S 56.134W
Depth	10 km
Distances	985.2 km (610.8 mi) SE of Tolhuin, Argentina 1004.6 km (622.9 mi) SE of Ushuaia, Argentina 1070.0 km (663.4 mi) SE of Río Grande, Argentina 1255.2 km (778.2 mi) SE of Punta Arenas, Chile 1327.0 km (822.7 mi) SE of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 9.1 km; Vertical 1.9 km
Parameters	Nph = 39; Dmin = 938.9 km; Rmss = 1.18 seconds; Gp = 98° Version =
Event ID	us 6000shmv

(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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