1817 Santiago del Estero earthquake

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The 1817 Santiago del Estero earthquake took place in the province of Santiago del Estero, Argentina, on 4 July at about 05:30 PM. It was estimated to be 7.0 on the Richter magnitude scale. Its epicenter was at 28°00′S 64°30′W / 28.000°S 64.500°W / -28.000; -64.500, at a depth of 30 km.

The earthquake was felt with grade VIII in the Mercalli intensity scale in the provincial capital Santiago del Estero, where it caused grave damage.