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Llaima

Stratovulcano · Chile · 3125 m

Llaima, one of Chile's largest and most active volcanoes, has a symmetrical profile when seen from the north. The massive, 3125-m-high, glacier-covered stratovolcano is constructed primarily of accumulated lava flows and has a volume of 400 cu km. Volcán Llaima contains two historically active craters, one at the summit and the other to the SE. More than 40 scoria cones dot the volcano's flanks. Frequent moderate explosive eruptions, a few of which were accompanied by lava flows, have been recorded since the 17th century.
Llaima, one of Chile's largest and most active volcanoes, has a symmetrical profile when seen from the north. The massive, 3125-m-high, glacier-covered stratovolcano is constructed primarily of accumulated lava flows and has a volume of 400 cu km. Volcán Llaima contains two historically active craters, one at the summit and the other to the SE. More than 40 scoria cones dot the volcano's flanks. Frequent moderate explosive eruptions, a few of which were accompanied by lava flows, have been recorded since the 17th century. · Foto: Photo by Norm Banks, 1990 (U.S. Geological Survey). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Chile
Regione
South America Volcanic Regions / Southern Andean Volcanic Arc
Altitudine
3125 m
Coordinate
-38.692, -71.729
Ultima eruzione
2009
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

Llaima, one of Chile's largest and most active volcanoes, contains two main historically active craters, one at the summit and the other, Pichillaima, to the SE. The massive, dominantly basaltic-to-andesitic, stratovolcano has a volume of 400 km3. A Holocene edifice built primarily of accumulated lava flows was constructed over an 8-km-wide caldera that formed about 13,200 years ago, following the eruption of the 24 km3 Curacautín Ignimbrite. More than 40 scoria cones dot the volcano's flanks. Following the end of an explosive stage about 7200 years ago, construction of the present edifice began, characterized by Strombolian, Hawaiian, and infrequent subplinian eruptions. Frequent moderate explosive eruptions with occasional lava flows have been recorded since the 17th century.

Sintesi da Wikipedia

Il Llaima è uno dei più grandi e dei più attivi vulcani del Cile, situato a 80 chilometri dalla città di Temuco e a 660 chilometri a sud della capitale Santiago, ai confini del parco nazionale di Conguillío.

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
7410 BCE~7096 BCE · 1 eruzioni · VEI max. ?7096 BCE~6782 BCE · 1 eruzioni · VEI max. 55526 BCE~5212 BCE · 1 eruzioni · VEI max. ?1380~1694 · 1 eruzioni · VEI max. 41694~2008 · 54 eruzioni · VEI max. 37410 BCE5212 BCE2701 BCE503 BCE1694

Cronologia dettagliata

  1. 2008VEI 3Osservata
    2008-01-01 – 2009-06-12
    Summit and upper east flank
  2. 2007VEI 2Osservata
    2007-05-26 – 2007-08-08
  3. 2003VEI 2Osservata
    2003-04-09 – 2003-04-16
  4. 2002VEI 1Osservata
    2002-10-13 – In corso
  5. 1998VEI 2Osservata
    1998-04-03 – 1998-04-23
  6. 1998VEI 2Osservata
    1998-11-10 – In corso
  7. 1997VEI 1Osservata
    1997-03-16 – 1997-10-16
  8. 1995VEI 2Osservata
    1995-10-13 – 1995-10-22
  9. 1994VEI 2Osservata
    1994-05-17 – 1994-08-30
    SE side summit crater, upper SW flank
  10. 1992VEI 1Osservata
    1992-08-23 – 1992-09-02
  11. 1990VEI 1Osservata
    1990-02-25 – 1990-11-25
  12. 1984VEI 2Osservata
    1984-04-20 – 1984-11-26
  13. 1979VEI 2Osservata
    1979-10-15 – 1979-11-28
  14. 1971VEI 2Osservata
    1971-12-01 – 1972-03-12
  15. 1964VEI 2Osservata
    1964-07-02 – In corso
  16. 1960VEI ?Stima geologica
    1960-07-02 – In corso
  17. 1955VEI 3Osservata
    1955-10-22 – 1957-11-16
    Summit and SE crater
  18. 1949VEI 2Osservata
    1949-09 – In corso
  19. 1946VEI 2Osservata
    1946-07-23 – In corso
  20. 1945VEI 3Osservata
    1945-03-31 – 1945-04-03
  21. 1944VEI 2Osservata
    1944 – In corso
  22. 1942VEI 2Osservata
    1942-06-09 – 1942-11
  23. 1941VEI 2Osservata
    1941-06-23 – In corso
  24. 1938VEI 1Osservata
    1938-12 – In corso
  25. 1937VEI 2Osservata
    1937-02-09 – 1937-11-02
  26. 1932VEI 2Osservata
    1932-03-02 – 1932-03-02
  27. 1932VEI 3Osservata
    1932-12-31 – 1933-01-05
  28. 1930VEI 2Osservata
    1930-07-06 – 1930-08-20
  29. 1929VEI 2Osservata
    1929-12 – In corso
  30. 1927VEI 2Osservata
    1927-10-05 – 1927-12-05
    SE crater and summit crater
  31. 1922VEI 2Osservata
    1922-10-24 – In corso
  32. 1917VEI 2Osservata
    1917-02-04 – In corso
  33. 1914VEI 2Osservata
    1914-07-03 – In corso
  34. 1912VEI 2Osservata
    1912 – In corso
  35. 1907VEI 2Osservata
    1907 – 1908-03
  36. 1903VEI 2Osservata
    1903-05-12 – 1903-05-14
  37. 1895VEI 2Osservata
    1895 – 1896
  38. 1893VEI 2Osservata
    1893-12 – 1894-12
  39. 1892VEI 2Osservata
    1892 – In corso
  40. 1889VEI 2Osservata
    1889-04-20 – 1889-07
  41. 1887VEI 2Osservata
    1887-01-16 – 1887-06-24
  42. 1883VEI 2Osservata
    1883 – In corso
  43. 1877VEI 2Osservata
    1877-01-16 – 1877-06-24
  44. 1875VEI 2Osservata
    1875 – 1876
  45. 1874VEI ?Stima geologica
    1874 – In corso
  46. 1872VEI 2Osservata
    1872-06-06 – In corso
  47. 1869VEI 2Osservata
    1869-04 – In corso
  48. 1866VEI 2Osservata
    1866 – In corso
  49. 1864VEI 3Osservata
    1864 – In corso
  50. 1862VEI 3Osservata
    1862 – In corso
  51. 1852VEI 2Osservata
    1852 – 1853
  52. 1822VEI 2Osservata
    1822 – In corso
  53. 1759VEI 2Osservata
    1759-12 – In corso
  54. 1751VEI 2Osservata
    1751-12-18 – 1752
  55. 1640VEI 4Osservata
    1640-02 – In corso
  56. 5290 a.C. (±180 anni)VEI ?Stima geologica
    BCE 5290 – In corso
  57. 6880 a.C. (±75 anni)VEI 5Stima geologica
    BCE 6880 – In corso
  58. 7410 a.C. (±300 anni)VEI ?Stima geologica
    BCE 7410 – In corso

Link esterni

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