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Mount Tokachi

Tokachidake

Stratovolkan · Japan · 2077 m

Snowpack on the western flank of Tokachi preserves individual layers of pyroclastic surge and pyroclastic flow deposits from the 1988-89 eruption. Because the eruptions took place during the winter, snowfall proved very useful to scientists in distinguishing the deposits of small-scale eruptions that lasted only a very short time.
Snowpack on the western flank of Tokachi preserves individual layers of pyroclastic surge and pyroclastic flow deposits from the 1988-89 eruption. Because the eruptions took place during the winter, snowfall proved very useful to scientists in distinguishing the deposits of small-scale eruptions that lasted only a very short time. · Foto: Photo courtesy of Japan Meteorological Agency, 1988. · Wikimedia Commons
Tipe
Stratovolkan
Negara
Japan
Wilayah
Northwestern Pacific Volcanic Regions / Kuril Volcanic Arc
Ketinggian
2077 m
Koordinat
43.418, 142.686
Letusan terakhir
2004
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Tokachidake volcano consists of a group of dominantly andesitic stratovolcanoes and lava domes arranged on a NE-SW line above a plateau of welded Pleistocene tuffs in central Hokkaido. Numerous explosion craters and cinder cones are located on the upper flanks of the small stratovolcanoes, with the youngest Holocene centers located at the NW end of the chain. Frequent historical eruptions, consisting mostly of mild-to-moderate phreatic explosions, have been recorded since the mid-19th century. Two larger eruptions occurred in 1926 and 1962. Partial cone collapse of the western flank during the 1926 eruption produced a disastrous debris avalanche and mudflow.

Ringkasan Wikipedia

Ringkasan Inggris

Mount Tokachi is an active volcano located in Daisetsuzan National Park, Hokkaidō, Japan. It is the tallest volcano of the Tokachi Volcanic Group, with a height of 2,077 metres (6,814 ft). It is one of the 100 famous mountains in Japan.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
2650 BCE~2456 BCE · 1 letusan · VEI maks. ?1874 BCE~1680 BCE · 1 letusan · VEI maks. ?1486 BCE~1293 BCE · 1 letusan · VEI maks. 3129 BCE~65 · 1 letusan · VEI maks. ?259~453 · 1 letusan · VEI maks. ?453~647 · 1 letusan · VEI maks. ?841~1034 · 1 letusan · VEI maks. ?1034~1228 · 1 letusan · VEI maks. ?1228~1422 · 1 letusan · VEI maks. 31422~1616 · 1 letusan · VEI maks. 21810~2004 · 18 letusan · VEI maks. 32650 BCE1486 BCE323 BCE6471810

Garis waktu rinci

  1. 2004VEI 1Teramati
    2004-02-25 – 2004-04-19
    1962-II Crater
  2. 1988VEI 2Teramati
    1988-12-10 – 1989-05-16
    1962 Crater
  3. 1985VEI 1Teramati
    1985-06-19 – 1985-06-22
    East wall of 1962 crater
  4. 1962VEI 3Teramati
    1962-06-29 – 1962-09-16
    South of Shin-funkako
  5. 1961VEI 1Teramati
    1961-08-14 – 1961-08-14
    NW of Kami-Horokamettoku-yama
  6. 1959VEI 1Teramati
    1959-08-15 – 1959-11-25
    NE of Shin-funkako (Showa Crater)
  7. 1958VEI 1Teramati
    1958-10-04 – 1958-10-04
    NE of Shin-funkako (Showa Crater)
  8. 1957VEI 1Perkiraan geologi
    1957-08-20 – 1957-08-20
    NE of Shin-funkako (Showa Crater)
  9. 1956VEI 1Teramati
    1956-06-16 – 1956-06-16
    NE of Shin-funkako (Showa Crater)
  10. 1954VEI 1Teramati
    1954-09-16 – 1954-09-16
    NE of Shin-funkako (Showa Crater)
  11. 1952VEI ?Teramati
    1952-08-17 – Berlangsung
    NE of Shin-funkako (Showa Crater)
  12. 1931VEI 1Teramati
    1931-05-16 – 1931-05-16
  13. 1928VEI 1Teramati
    1928-01 – 1928-05-23
    Shin-funkako
  14. 1928VEI 1Teramati
    1928-12-04 – 1928-12-25
    Shin-funkako
  15. 1925VEI 3Teramati
    1925-11-20 – 1927-09
    Shin-funkako
  16. 1889VEI 2Teramati
    1889 – Berlangsung
    Maru-yama (Yunuma)
  17. 1887VEI 2Teramati
    1887-06 – Berlangsung
    Lower part of Maru-yama?
  18. 1857VEI 2Teramati
    1857 – Berlangsung
  19. 1570 (±100 tahun)VEI 2Perkiraan geologi
    1570 – Berlangsung
    Maru-yama
  20. 1250VEI 3Perkiraan geologi
    1250 – Berlangsung
  21. 1050 (±200 tahun)VEI ?Perkiraan geologi
    1050 – Berlangsung
  22. 950 (±50 tahun)VEI ?Perkiraan geologi
    950 – Berlangsung
  23. 600 (±300 tahun)VEI ?Perkiraan geologi
    600 – Berlangsung
  24. 350 (±100 tahun)VEI ?Perkiraan geologi
    350 – Berlangsung
  25. 1 (±50 tahun)VEI ?Perkiraan geologi
    1 – Berlangsung
  26. 1350 SMVEI 3Perkiraan geologi
    BCE 1350 – Berlangsung
    Ground Crater
  27. 1750 SM (±50 tahun)VEI ?Perkiraan geologi
    BCE 1750 – Berlangsung
  28. 2650 SM (±200 tahun)VEI ?Perkiraan geologi
    BCE 2650 – Berlangsung

Tautan eksternal

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