1949 Tierra del Fuego earthquake

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The 1949 Tierra del Fuego earthquake was a seismic movement that took place in the province of Tierra del Fuego, Argentina, on 17 December 1949, at 06:53:30 AM. It recorded magnitude 7.8 in the Richter scale. Its epicenter was located in the west of the Isla Grande de Tierra del Fuego, at 68°46’11”W 54°0′0″S, 68°46′11″W, and at a depth of 30 km.

This was the most powerful earthquake ever recorded in the south of Argentina. It was felt with grade VIII in the Mercalli intensity scale, and affected the settlements of the island and some located further north, mainly the provincial capital Río Gallegos.

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