| 06:53:30 UTC|
17 December 1949
| Mw 7.8|
| 1922 Vallenar earthquake, 1985 Algarrobo earthquake, 2007 Tocopilla earthquake, 1868 Arica earthquake, 1647 Santiago earthquake|1949 Tierra del Fuego earthquake Wikipedia
The 1949 Tierra del Fuego earthquake occurred on the island of Tierra del Fuego on 17 December at 06:53:30. Its epicenter was located in the east of the Chilean Tierra del Fuego Province, close to the Argentine border, at a depth of 30 km (19 mi).
It reached 7.8 on the moment magnitude scale and was the most powerful earthquake ever recorded in the south of Argentina and one of the most powerful in austral Chile. It was felt with intensities as high as VIII (Severe) on the Mercalli intensity scale, and affected the settlements of Punta Arenas and Río Gallegos.