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Avačinskij

Avachinsky

Stratovulcano · Russia · 2717 m

Avachinsky rises above Petropavlovsk, Kamchatka's largest city. The peak to the right is the rim of a large horseshoe-shaped crater that formed during flank collapse about 30,000-40,000 years ago and produced a major debris avalanche buried an area of about 500 km2 to the south, underlying the city of Petropavlovsk. The modern cone was constructed inside this crater. Frequent historical eruptions have been recorded since 1737.
Avachinsky rises above Petropavlovsk, Kamchatka's largest city. The peak to the right is the rim of a large horseshoe-shaped crater that formed during flank collapse about 30,000-40,000 years ago and produced a major debris avalanche buried an area of about 500 km2 to the south, underlying the city of Petropavlovsk. The modern cone was constructed inside this crater. Frequent historical eruptions have been recorded since 1737. · Foto: Photo by Oleg Volynets, 1985 (Institute of Volcanology, Petropavlovsk). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Russia
Regione
Northwestern Pacific Volcanic Regions / Eastern Kamchatka Volcanic Arc
Altitudine
2717 m
Coordinate
53.256, 158.836
Ultima eruzione
2001
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

Avachinsky, one of Kamchatka's most active volcanoes, rises above Petropavlovsk, Kamchatka's largest city. It began to form during the middle or late Pleistocene, and is flanked to the SE by Kozelsky volcano, which has a large crater breached to the NE. A large collapse scarp open to the SW was created when a major debris avalanche about 30,000-40,000 years ago buried an area of about 500 km2 to the south, underlying the city of Petropavlovsk. Reconstruction of the volcano took place in two stages, the first of which began about 18,000 years before present (BP), and the second 7,000 years BP. Most eruptions have been explosive, with pyroclastic flows and hot lahars being directed primarily to the SW by the collapse scarp, although there have also been relatively short lava flows. The frequent historical eruptions have been similar in style and magnitude to previous Holocene eruptions.

Sintesi da Wikipedia

L'Avačinskij, detto anche Avača, Avačinskaja sopka, Gorelaja sopka, Monastyr, Saria o ancora Suachu, in russo Авачинская сопка, è uno stratovulcano della Russia posto nel sud della penisola della Kamčatka.

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
6100 BCE~5830 BCE · 2 eruzioni · VEI max. 55830 BCE~5560 BCE · 2 eruzioni · VEI max. ?5560 BCE~5290 BCE · 2 eruzioni · VEI max. ?4750 BCE~4480 BCE · 1 eruzioni · VEI max. 44480 BCE~4210 BCE · 4 eruzioni · VEI max. 54210 BCE~3940 BCE · 2 eruzioni · VEI max. ?3940 BCE~3670 BCE · 2 eruzioni · VEI max. 43670 BCE~3400 BCE · 2 eruzioni · VEI max. ?3400 BCE~3130 BCE · 1 eruzioni · VEI max. 53130 BCE~2860 BCE · 2 eruzioni · VEI max. ?2860 BCE~2590 BCE · 1 eruzioni · VEI max. ?2590 BCE~2320 BCE · 2 eruzioni · VEI max. 42320 BCE~2049 BCE · 2 eruzioni · VEI max. ?1779 BCE~1509 BCE · 1 eruzioni · VEI max. ?1509 BCE~1239 BCE · 2 eruzioni · VEI max. 5159 BCE~111 · 1 eruzioni · VEI max. ?381~651 · 1 eruzioni · VEI max. ?651~921 · 2 eruzioni · VEI max. ?921~1191 · 1 eruzioni · VEI max. ?1191~1461 · 2 eruzioni · VEI max. ?1461~1731 · 1 eruzioni · VEI max. ?1731~2001 · 22 eruzioni · VEI max. 46100 BCE4210 BCE2049 BCE159 BCE1731

Cronologia dettagliata

  1. 2001VEI 1Osservata
    2001-10-05 – 2001-10-05
  2. 1991VEI 2Osservata
    1991-01-13 – 1991-01-30
  3. 1945VEI 4Osservata
    1945-02-25 – 1945-02-25
  4. 1938VEI 3Osservata
    1938-03-06 – 1938-12-01
  5. 1926VEI 4Osservata
    1926-03-27 – 1927-03-14
  6. 1910VEI ?Stima geologica
    1910 – In corso
  7. 1909VEI 2Osservata
    1909-08 – In corso
  8. 1901VEI 2Osservata
    1901-07-07 – 1901-07-13
  9. 1894VEI 2Osservata
    1894-10 – 1895-02
  10. 1881VEI 2Osservata
    1881 – In corso
  11. 1878VEI 2Osservata
    1878 – In corso
  12. 1855VEI 2Osservata
    1855-05-28 – 1855-09-04
  13. 1854VEI 2Osservata
    1854-08-13 – In corso
  14. 1853VEI 2Osservata
    1853-12-21 – 1854-03-14
  15. 1851VEI 2Osservata
    1851-11-26 – 1852-02-14
  16. 1837VEI ?Stima geologica
    1837 – In corso
  17. 1828VEI 2Osservata
    1828-04-17 – In corso
  18. 1827VEI 4Osservata
    1827-06-27 – 1827-06-29
  19. 1789VEI ?Stima geologica
    1789 – In corso
  20. 1779VEI 3Osservata
    1779-06-15 – 1779-06-16
  21. 1772VEI 2Osservata
    1772 – In corso
  22. 1737VEI 3Osservata
    1737-08 – 1737-08
  23. 1550VEI ?Stima geologica
    1550 – In corso
  24. 1400VEI ?Stima geologica
    1400 – In corso
  25. 1200VEI ?Stima geologica
    1200 – In corso
  26. 1100VEI ?Stima geologica
    1100 – In corso
  27. 900VEI ?Stima geologica
    900 – In corso
  28. 700VEI ?Stima geologica
    700 – In corso
  29. 400VEI ?Stima geologica
    400 – In corso
  30. 100VEI ?Stima geologica
    100 – In corso
  31. 1350 a.C.VEI 5Stima geologica
    BCE 1350 – In corso
  32. 1500 a.C.VEI 5Stima geologica
    BCE 1500 – In corso
  33. 1700 a.C.VEI ?Stima geologica
    BCE 1700 – In corso
  34. 2100 a.C.VEI ?Stima geologica
    BCE 2100 – In corso
  35. 2300 a.C.VEI ?Stima geologica
    BCE 2300 – In corso
  36. 2500 a.C.VEI ?Stima geologica
    BCE 2500 – In corso
  37. 2530 a.C. (±300 anni)VEI 4Stima geologica
    BCE 2530 – In corso
  38. 2650 a.C.VEI ?Stima geologica
    BCE 2650 – In corso
  39. 2900 a.C.VEI ?Stima geologica
    BCE 2900 – In corso
  40. 2950 a.C.VEI ?Stima geologica
    BCE 2950 – In corso
  41. 3200 a.C. (±150 anni)VEI 5Stima geologica
    BCE 3200 – In corso
  42. 3400 a.C.VEI ?Stima geologica
    BCE 3400 – In corso
  43. 3500 a.C.VEI ?Stima geologica
    BCE 3500 – In corso
  44. 3700 a.C.VEI ?Stima geologica
    BCE 3700 – In corso
  45. 3790 a.C. (±100 anni)VEI 4Stima geologica
    BCE 3790 – In corso
  46. 4050 a.C.VEI ?Stima geologica
    BCE 4050 – In corso
  47. 4200 a.C.VEI ?Stima geologica
    BCE 4200 – In corso
  48. 4250 a.C.VEI ?Stima geologica
    BCE 4250 – In corso
  49. 4340 a.C. (±75 anni)VEI 5Stima geologica
    BCE 4340 – In corso
  50. 4400 a.C.VEI ?Stima geologica
    BCE 4400 – In corso
  51. 4460 a.C. (±100 anni)VEI 4Stima geologica
    BCE 4460 – In corso
  52. 4550 a.C. (±200 anni)VEI 4Stima geologica
    BCE 4550 – In corso
  53. 5450 a.C.VEI ?Stima geologica
    BCE 5450 – In corso
  54. 5500 a.C.VEI ?Stima geologica
    BCE 5500 – In corso
  55. 5600 a.C.VEI ?Stima geologica
    BCE 5600 – In corso
  56. 5700 a.C.VEI ?Stima geologica
    BCE 5700 – In corso
  57. 5980 a.C. (±100 anni)VEI 5Stima geologica
    BCE 5980 – In corso
  58. 6100 a.C.VEI ?Stima geologica
    BCE 6100 – In corso

Link esterni

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