Irruputuncu is a stratovolcano which lies on the border of Chile and Bolivia. It is a relatively small peak, lying within the collapse scarp of a debris avalanche from earlier in the Holocene, which was built up by eruptions to fill much of that feature. There are two craters lying at the summit, with the one to the south displaying fumaroles. In 1995 the peak's first eruption in recorded history occurred in the form of a phreatic eruption.[1]
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| Northern Volcanic Zone (6° N–3° S) |
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| Central Volcanic Zone (15°–27° S) |
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| Southern Volcanic Zone (33°–46° S) |
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| Austral Volcanic Zone (49°–55° S) |
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Note: volcanoes are ordered by latitude from north to south
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