Chile · Estratovolcán
Volcán Hudson
Hudson, Cerro
- Tipo
- Estratovolcán
- Altitud
- 1905 m
- Última erupción
- 2011
- Tipo
- Estratovolcán
- País
- Chile
- Región
- América del Sur / Southern Andean Volcanic Arc
- Altitud
- 1905 m
- Coordenadas
- -45.900, -72.970
- Última erupción
- 2011
- Contexto tectónico
- Zona de subducción / Corteza continental (> 25 km)
- Forma volcánica
- Compuesto
- Roca principal
- Basalto / Picrobasalto
Resumen geológico
The ice-filled, 10-km-wide caldera of Cerro Hudson volcano was not recognized until its first 20th-century eruption in 1971. It is the southernmost volcano in the Chilean Andes, related to subduction of the Nazca plate beneath the South American plate. The massive volcano covers an area of 300 km2. The compound caldera is drained through a breach on its NW rim, which has been the source of mudflows down the Río de Los Huemeles. Two cinder cones occur N of the volcano and others occupy the SW and SE flanks. This volcano has been the source of several major Holocene explosive eruptions. An eruption about 6,700 years ago was one of the largest known in the southern Andes during the Holocene; another eruption about 3,600 years ago also produced more than 10 km3 of tephra. An eruption in 1991 formed a new 800-m-wide crater in the SW portion of the caldera.
Resumen de Wikipedia
Resumen en inglésHudson Volcano is the most active volcano in the southern part of the Southern Volcanic Zone of the Andes Mountains in Chile, having erupted most recently in 2011. It was formed by the subduction of the oceanic Nazca Plate under the continental South American Plate. South of Hudson is a smaller volcano, followed by a long gap without active volcanoes, then the Austral Volcanic Zone. Hudson has the form of a 10-kilometre-wide (6-mile) caldera filled with ice; the Huemules Glacier emerges from the northwestern side of the caldera. The volcano has erupted rocks ranging from basalt to rhyolite, but large parts of the caldera are formed by non-volcanic rocks.
Wikipedia · CC BY-SA · Leer artículo completo →
Historial de erupciones
15 registradasGlosarioLínea de tiempo detallada
- 2011VEI 2Observado2011-10-26 – 2011-11-01S and SE edge of the caldera
- 1991VEI 5Observado1991-08-08 – 1991-10-27NW caldera rim and SW caldera floor
- 1971VEI 3Observado1971-08-12 – 1971-09-18NW part of caldera
- 1891VEI ?Observado1891-07-02 – fin desconocido
- 1740 (±150 años)VEI ?Estimación geológica1740 – fin desconocido
- 860 (±100 años)VEI ?Estimación geológica860 – fin desconocido
- 390 (±150 años)VEI ?Estimación geológica390 – fin desconocido
- 120 a. C. (±200 años)VEI ?Estimación geológica120 a. C. – fin desconocido
- 790 a. C. (±75 años)VEI ?Estimación geológica790 a. C. – fin desconocido
- 1890 a. C.VEI 6Estimación geológica1890 a. C. – fin desconocido
- 2250 a. C.VEI ?Estimación geológica2250 a. C. – fin desconocido
- 3890 a. C. (±500 años)VEI ?Estimación geológica3890 a. C. – fin desconocido
- 4750 a. C.VEI 6Estimación geológica4750 a. C. – fin desconocido
- 4960 a. C. (±150 años)VEI ?Estimación geológica4960 a. C. – fin desconocido
- 8010 a. C.VEI ?Estimación geológica8010 a. C. – fin desconocido
Volcanes cercanos
Enlaces externos
⚠ Solo como referencia. No apto para respuesta ante emergencias.