Vai al contenuto principale
← Torna alla mappa
⇄ Confronta

Čikurački

Chikurachki

Stratovulcano · Russia · 1781 m

The NW slopes of Chikurachki, the highest volcano on Paramushir Island, rises above the Sea of Okhotsk. Oxidized scoria covering the upper part of the cone result in the distinctive red color. The Tatarinov group of six volcanic centers is located immediately to the south of Chikurachki, forming the ridge to the right. In contrast to the frequently active Chikurachki, the Tatarinov volcanoes are extensively eroded and have a more complex structure.
The NW slopes of Chikurachki, the highest volcano on Paramushir Island, rises above the Sea of Okhotsk. Oxidized scoria covering the upper part of the cone result in the distinctive red color. The Tatarinov group of six volcanic centers is located immediately to the south of Chikurachki, forming the ridge to the right. In contrast to the frequently active Chikurachki, the Tatarinov volcanoes are extensively eroded and have a more complex structure. · Foto: Photo by Yoshihiro Ishizuka, 2000 (Hokkaido University). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Russia
Regione
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
Altitudine
1781 m
Coordinate
50.324, 155.461
Ultima eruzione
2023
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

Chikurachki, the highest volcano on Paramushir Island in the northern Kuriles, is a relatively small cone constructed on a high Pleistocene edifice. Oxidized basaltic-to-andesitic scoria deposits covering the upper part of the cone give it a distinctive red color. Frequent basaltic Plinian eruptions have occurred during the Holocene. Lava flows have reached the sea and formed capes on the NW coast; several young lava flows are also present on the E flank beneath a scoria deposit. The Tatarinov group of six volcanic centers is located immediately to the south, and the Lomonosov cinder cone group, the source of an early Holocene lava flow that reached the saddle between it and Fuss Peak to the west, lies at the southern end of the N-S-trending Chikurachki-Tatarinov complex. The Tatarinov centers are extensively modified by erosion and have a more complex structure. Tephrochronology gives evidence of an eruption around 1690 CE from Tatarinov, although its southern cone contains a sulfur-encrusted crater with fumaroles that were active along the margin of a crater lake until 1959.

Sintesi da Wikipedia

Riassunto in inglese

Chikurachki is the highest volcano on Paramushir Island in the northern Kuril Islands. It is actually a relatively small volcanic cone constructed on a high Pleistocene volcanic edifice. Oxidized andesitic scoria deposits covering the upper part of the young cone give it a distinctive red color. Lava flows from the 1,816-metre (5,958 ft) high Chikurachki reached the sea and formed capes on the northwest coast; several young lava flows also emerge from beneath the scoria blanket on the eastern flank.

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
9360 BCE~8981 BCE · 1 eruzioni · VEI max. 28601 BCE~8222 BCE · 1 eruzioni · VEI max. ?7842 BCE~7463 BCE · 1 eruzioni · VEI max. 26325 BCE~5945 BCE · 1 eruzioni · VEI max. 42151 BCE~1771 BCE · 1 eruzioni · VEI max. 41771 BCE~1392 BCE · 2 eruzioni · VEI max. 41644~2023 · 22 eruzioni · VEI max. 49360 BCE6704 BCE3668 BCE1012 BCE1644

Cronologia dettagliata

  1. 2023VEI 2Osservata
    2023-01-28 – 2023-02-08
  2. 2022VEI 2Osservata
    2022-01-17 – 2022-10-17
  3. 2021VEI 1Osservata
    2021-03-21 – 2021-08-25
  4. 2016VEI 2Osservata
    2016-07-27 – 2016-08-30
    Summit crater
  5. 2016VEI 2Osservata
    2016-03-29 – 2016-03-31
    Summit crater
  6. 2015VEI 3Osservata
    2015-02-16 – 2015-02-18
    Summit crater
  7. 2008VEI 2Osservata
    2008-07-29 – 2008-08-08
  8. 2007VEI 2Osservata
    2007-03-04 – 2007-04-18
  9. 2007VEI 2Osservata
    2007-08-19 – 2007-11-01
  10. 2005VEI 1Osservata
    2005-03-12 – 2005-04-07
  11. 2003VEI 2Osservata
    2003-04-17 – 2003-07-03
  12. 2002VEI 2Osservata
    2002-01-25 – 2002-04-22
    SSE part of summit crater
  13. 1986VEI 4Osservata
    1986-11-18 – 1986-12-07
  14. 1973VEI 2Osservata
    1973-08-10 – 1973-09-28
  15. 1967VEI 2Osservata
    1967-09-06 – 1967-09-20
  16. 1964VEI 2Osservata
    1964-02-01 – 1964-02-16
  17. 1961VEI 1Osservata
    1961-05-02 – 1961-08-10
  18. 1958VEI 2Osservata
    1958-05-26 – 1958-05-27
  19. 1957VEI 2Osservata
    1957-05-16 – In corso
  20. 1933VEI ?Stima geologica
    1933-04-15 – In corso
  21. 1853VEI 3Osservata
    1853-12 – 1859
  22. 1690 (±10 anni)VEI 4Stima geologica
    1690 – In corso
    Tatarinov
  23. 1500 a.C. (±250 anni)VEI 4Stima geologica
    BCE 1500 – In corso
  24. 1750 a.C.VEI 3Stima geologica
    BCE 1750 – In corso
  25. 1950 a.C.VEI 4Stima geologica
    BCE 1950 – In corso
  26. 6310 a.C. (±70 anni)VEI 4Stima geologica
    BCE 6310 – In corso
  27. 7550 a.C.VEI 2Stima geologica
    BCE 7550 – In corso
  28. 8500 a.C. (±950 anni)VEI ?Stima geologica
    BCE 8500 – In corso
    Lomonosov
  29. 9360 a.C. (±80 anni)VEI 2Stima geologica
    BCE 9360 – In corso

Link esterni

⚠ Solo a scopo informativo. Non adatto a situazioni di emergenza.