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Irruputuncu volcano

stratovolcano 5163 m / 16,939 ft
Northern Chile, Bolivia and Argentina, South America, -20.73°S / -68.55°W
Current status: dormant (1 out of 5)
Typical eruption style: explosive/effusive
Irruputuncu volcano eruptions: 1995
Last earthquakes nearby:
TimeMag. / DepthDistanceLocation
Sat, 1 Jun
Sat, 1 Jun 08:13 UTCM 2.9 / 131 km26 km TARAPACA, CHILE
Mon, 20 May
Mon, 20 May 03:21 UTCM 3.1 / 141 km27 km TARAPACA, CHILE
Fri, 17 May
Fri, 17 May 09:49 UTCM 2.9 / 114 km32 km TARAPACA, CHILE
Fri, 17 May 00:11 UTCM 2.8 / 100.9 km39 km52 km al SE de Pica
Wed, 15 May
Wed, 15 May 15:57 UTCM 3.5 / 121 km41 km POTOSI, BOLIVIA
View all recent quakes
Irruputuncu is a small stratovolcano in northern Chile on the border with Bolivia. It contains 2 summit craters. A small summit lava dome and fumarolic activity are found at the southern crater which measures about 300 m in diameter.

Background:

Irruputuncu is the youngest and most southerly of a NE-SW-trending chain of volcanoes. It was was constructed within the collapse scarp left by a debris avalanche which removed part of the SW flank less than 10,000 years ago.
Later eruptions have filled much of this scarp and produced thick, viscous lava flows on the western flank.

1995 eruption
A small phreatic eruption occurred on 26 November 1995 and ejected dark ash plumes above the summit. This was the first confirmed historic activity of Irruputuncu volcano.
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