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Calbuco

Stratovulcano · Chile · 1974 m

Calbuco is one of the most active volcanoes of the southern Chilean Andes. The isolated volcano rises to 2003 m south of Lake Llanquihue, which is visible at the upper right. The summit ridge (center) of the volcano is the remnant of an older volcano that collapsed during the late Pleistocene and produced a 3 cu km debris avalanche that reached the lake. Subsequent eruptions generated andesitic lava flows, breccias, and tuffs that filled the scarp and were subsequently topped by an historical lava-dome complex (right center).
Calbuco is one of the most active volcanoes of the southern Chilean Andes. The isolated volcano rises to 2003 m south of Lake Llanquihue, which is visible at the upper right. The summit ridge (center) of the volcano is the remnant of an older volcano that collapsed during the late Pleistocene and produced a 3 cu km debris avalanche that reached the lake. Subsequent eruptions generated andesitic lava flows, breccias, and tuffs that filled the scarp and were subsequently topped by an historical lava-dome complex (right center). · Foto: Photo by Hugo Moreno (University of Chile). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Chile
Regione
South America Volcanic Regions / Southern Andean Volcanic Arc
Altitudine
1974 m
Coordinate
-41.330, -72.618
Ultima eruzione
2015
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

Calbuco is one of the most active volcanoes of the southern Chilean Andes, along with its neighbor, Osorno. The late-Pleistocene to Holocene andesitic volcano is immediately SE of Lake Llanquihué in the Chilean lake district. Guanahuca, Guenauca, Huanauca, and Huanaque, all listed as synonyms of Calbuco (Catalog of Active Volcanoes of the World), are actually synonyms of nearby Osorno volcano (Moreno 1985, pers. comm.). The edifice is elongated in a SW-NE direction and is capped by a 400-500 m wide summit crater. The complex evolution included collapse of an intermediate edifice during the late Pleistocene that produced a 3-km3 debris avalanche that reached the lake. It has erupted frequently during the Holocene, and one of the largest historical eruptions in southern Chile took place from Calbuco in 1893-1894 that concluded with lava dome emplacement. Subsequent eruptions have enlarged the lava-dome complex in the summit crater.

Sintesi da Wikipedia

Il Calbuco è uno stratovulcano attivo situato nel sud del Cile, a sud-est del Lago Llanquihue e a nord-ovest del Lago Chapo, nella Regione di Los Lagos.

Wikipedia · CC BY-SA · Leggi l'articolo completo →

Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
8460 BCE~8111 BCE · 3 eruzioni · VEI max. 58111 BCE~7762 BCE · 3 eruzioni · VEI max. ?7762 BCE~7412 BCE · 1 eruzioni · VEI max. 47063 BCE~6714 BCE · 1 eruzioni · VEI max. 56365 BCE~6016 BCE · 1 eruzioni · VEI max. ?6016 BCE~5667 BCE · 1 eruzioni · VEI max. 45317 BCE~4968 BCE · 1 eruzioni · VEI max. 44619 BCE~4270 BCE · 1 eruzioni · VEI max. ?2175 BCE~1826 BCE · 1 eruzioni · VEI max. ?429 BCE~80 BCE · 2 eruzioni · VEI max. ?80 BCE~269 · 3 eruzioni · VEI max. 4269~618 · 1 eruzioni · VEI max. ?618~968 · 1 eruzioni · VEI max. 41317~1666 · 2 eruzioni · VEI max. ?1666~2015 · 14 eruzioni · VEI max. 48460 BCE6016 BCE3222 BCE778 BCE1666

Cronologia dettagliata

  1. 2015VEI 4Osservata
    2015-04-22 – 2015-05-26
    Summit crater
  2. 1972VEI 2Osservata
    1972-08-26 – 1972-08-26
  3. 1961VEI 3Osservata
    1961-02-01 – 1961-03-26
  4. 1945VEI ?Osservata
    1945 – In corso
  5. 1932VEI ?Osservata
    1932 – In corso
  6. 1929VEI 3Osservata
    1929-01-06 – 1929-01-06
  7. 1917VEI 3Osservata
    1917-04 – 1917-05
  8. 1911VEI 2Osservata
    1911 – 1912
  9. 1909VEI 2Osservata
    1909-03 – In corso
  10. 1907VEI 2Osservata
    1907-04-22 – In corso
  11. 1906VEI 2Osservata
    1906 – In corso
  12. 1894VEI 2Osservata
    1894-11-16 – 1895
  13. 1893VEI 4Osservata
    1893-01-07 – 1894-01-16
  14. 1792VEI ?Osservata
    1792 – In corso
  15. 1600 (±75 anni)VEI ?Stima geologica
    1600 – In corso
  16. 1380 (±50 anni)VEI ?Stima geologica
    1380 – In corso
  17. 710 (±60 anni)VEI 4Stima geologica
    710 – In corso
  18. 520 (±200 anni)VEI ?Stima geologica
    520 – In corso
  19. 220 (±75 anni)VEI ?Stima geologica
    220 – In corso
  20. 160 (±135 anni)VEI 4Stima geologica
    160 – In corso
  21. 40 (±75 anni)VEI ?Stima geologica
    40 – In corso
  22. 100 a.C. (±100 anni)VEI ?Stima geologica
    BCE 100 – In corso
  23. 330 a.C. (±200 anni)VEI ?Stima geologica
    BCE 330 – In corso
  24. 1920 a.C. (±50 anni)VEI ?Stima geologica
    BCE 1920 – In corso
  25. 4300 a.C. (±150 anni)VEI ?Stima geologica
    BCE 4300 – In corso
  26. 5030 a.C. (±180 anni)VEI 4Stima geologica
    BCE 5030 – In corso
  27. 5820 a.C. (±880 anni)VEI 4Stima geologica
    BCE 5820 – In corso
  28. 6300 a.C. (±1035 anni)VEI ?Stima geologica
    BCE 6300 – In corso
  29. 6760 a.C. (±825 anni)VEI 5Stima geologica
    BCE 6760 – In corso
  30. 7550 a.C. (±45 anni)VEI 4Stima geologica
    BCE 7550 – In corso
  31. 7930 a.C. (±275 anni)VEI ?Stima geologica
    BCE 7930 – In corso
  32. 7990 a.C. (±290 anni)VEI ?Stima geologica
    BCE 7990 – In corso
  33. 8100 a.C. (±1300 anni)VEI ?Stima geologica
    BCE 8100 – In corso
  34. 8210 a.C. (±290 anni)VEI ?Stima geologica
    BCE 8210 – In corso
  35. 8320 a.C. (±250 anni)VEI ?Stima geologica
    BCE 8320 – In corso
  36. 8460 a.C. (±155 anni)VEI 5Stima geologica
    BCE 8460 – In corso

Link esterni

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