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Irruputuncu volcan

stratovolcan 5163 m / 16,939 ft
Chile / Argentine (nord) + Bolivie (Amérique du Sud), -20.73°S / -68.55°W
Condition actuelle: normal / en sommeil (1 sur 5)

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.

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Style éruptif tipique: explosive/effusive
Eruptions du volcan Irruputuncu: 1995
Derniers séismes proches:
HeureMag. / ProfondeurDistance/Lieu
samedi, 14 mai 2022 GMT (1 séisme)
14 mai 2022 09:51 (GMT -4) (14 mai. 2022 13:51 GMT)

87 km
45 km (28 mi)
150 km au sud-est de Alto Hospicio, Provincia de Iquique, Région de Tarapacá, Chili
vendredi, 13 mai 2022 GMT (1 séisme)
13 mai 2022 08:43 (GMT -4) (13 mai. 2022 12:43 GMT)

114 km
37 km (23 mi)
Région de Tarapacá, Chili
jeudi, 12 mai 2022 GMT (1 séisme)
12 mai 2022 19:38 (GMT -4) (12 mai. 2022 23:38 GMT)

80 km
29 km (18 mi)
Chile-Bolivia Border Region


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.

See also: Sentinel hub | Landsat 8 | NASA FIRMS
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