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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Descabezado Grande
Volcán Descabezado Grande, seen here from the west, is a late-Pleistocene to Holocene stratovolcano with a 1.4-km-wide ice-filled summit crater. The Holocene Alto de las Mulas fissure on the lower NW flank (out of view to the left) produced young rhyodacitic lava flows. A lateral crater formed on the upper NNE flank in 1932, shortly after the end of the major 1932 eruption from nearby Quizapú volcano. This was the site of the only historical eruption of Descabezado Grande. Photo by Hugo Moreno (University of Chile).
Volcano Number:
357050
Volcano Name:
Descabezado Grande
Country:
Chile
Volcano Type:
Stratovolcano(es)
Last Eruption:
1933 CE
Elevation:
3953m
Tectonic Setting:
Subduction zone / Continental crust (> 25 km)
Pop. within 5km:
39
Pop. within 10km:
142
Pop. within 30km:
3454
Pop. within 100km:
704116
Latitude:
-35.58
Longitude:
-70.75
Details
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Volcán Descabezado Grande is a late-Pleistocene to Holocene andesitic-to-rhyodacitic stratovolcano with a 1.4-km-wide ice-filled summit crater. It lies at the center of a 20 x 30 km volcanic complex, 7 km N of the Cerro Azul stratovolcano. A lateral crater, which formed on the upper NNE flank in 1932 shortly after the end of the major 1932 eruption from nearby Quizapu cone on the N flank of Cerro Azul, was the site of the only recorded eruption. The Holocene Alto de las Mulas fissure on the lower NW flank produced young rhyodacitic lava flows. Numerous small late-Pleistocene to Holocene volcanic centers are located N of the volcano. The northernmost of these, Lengua de Vulcano (or Mondaca), produced a very youthful rhyodacitic lava flow that dammed the Río Lentué.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
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Data from the Earthchem Library
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Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
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Data from UNAVCO
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Data from USIEI
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Data from IRIS FDSNWS
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