Descabezado Grande
Descabezado Grande (also Cerro Azul or Quizapu) is a stratovolcano located in the Maule Region of central Chile. It is capped by a 1.4-kilometre-wide (0.9 mi) ice-filled caldera and named for its flat-topped form, as descabezado means "headless" in Spanish. A smaller crater about 500 metres (1,600 ft) wide is found in the northeast part of the caldera, and it has active fumaroles.
| Descabezado Grande | |
|---|---|
| Highest point | |
| Elevation | 3,953 m (12,969 ft) |
| Coordinates | 35°35′26″S 70°44′48″W |
| Geography | |
Descabezado Grande Location of Descabezado Grande in Chile | |
| Location | Central Chile |
| Parent range | Andes |
| Geology | |
| Age of rock | Pleistocene |
| Mountain type | Stratovolcano |
| Volcanic arc/belt | South Volcanic Zone |
| Last eruption | June 1933 |
The volcano is composed of andesite and rhyodacite lava flows along with pyroclastic flow deposits. It has a basal diameter of about 10 by 12 kilometres (6.2 by 7.5 mi) and a total volume of about 30 cubic kilometres (7.2 cu mi). Along with Cerro Azul, 7 kilometres (4.3 mi) to the south, it lies at the center of a 20-by-30-kilometre (12-by-19-mile) volcanic field.
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