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Japan · Stratovolcano

Mount Tokachi

Tokachidake

Type
Stratovolcano
Elevation
2077m
Last eruption
2004
Mount Tokachi
Photo: Toshihiro Matsui · CC BY 2.0 · Wikimedia Commons
Type
Stratovolcano
Country
Japan
Region
Northwestern Pacific / Kuril Volcanic Arc
Elevation
2077m
Coordinates
43.418, 142.686
Last eruption
2004
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Composite
Major rock type
Andesite / Basaltic andesite
Geological summary

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.

From Wikipedia

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.

Wikipedia · CC BY-SA · Read full article →

Eruption history

28 recordedGlossary
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
2650 BCE~2456 BCE · 1 eruptions · max VEI ?1874 BCE~1680 BCE · 1 eruptions · max VEI ?1486 BCE~1293 BCE · 1 eruptions · max VEI 3129 BCE~65 · 1 eruptions · max VEI ?259~453 · 1 eruptions · max VEI ?453~647 · 1 eruptions · max VEI ?841~1034 · 1 eruptions · max VEI ?1034~1228 · 1 eruptions · max VEI ?1228~1422 · 1 eruptions · max VEI 31422~1616 · 1 eruptions · max VEI 21810~2004 · 18 eruptions · max VEI 32650 BCE1486 BCE323 BCE6471810

Detailed timeline

  1. 2004VEI 1Observed
    2004-02-25 – 2004-04-19
    1962-II Crater
  2. 1988VEI 2Observed
    1988-12-10 – 1989-05-16
    1962 Crater
  3. 1985VEI 1Observed
    1985-06-19 – 1985-06-22
    East wall of 1962 crater
  4. 1962VEI 3Observed
    1962-06-29 – 1962-09-16
    South of Shin-funkako
  5. 1961VEI 1Observed
    1961-08-14 – 1961-08-14
    NW of Kami-Horokamettoku-yama
  6. 1959VEI 1Observed
    1959-08-15 – 1959-11-25
    NE of Shin-funkako (Showa Crater)
  7. 1958VEI 1Observed
    1958-10-04 – 1958-10-04
    NE of Shin-funkako (Showa Crater)
  8. 1957VEI 1Method not stated
    1957-08-20 – 1957-08-20
    NE of Shin-funkako (Showa Crater)
  9. 1956VEI 1Observed
    1956-06-16 – 1956-06-16
    NE of Shin-funkako (Showa Crater)
  10. 1954VEI 1Observed
    1954-09-16 – 1954-09-16
    NE of Shin-funkako (Showa Crater)
  11. 1952VEI ?Observed
    1952-08-17 – end unknown
    NE of Shin-funkako (Showa Crater)
  12. 1931VEI 1Observed
    1931-05-16 – 1931-05-16
  13. 1928VEI 1Observed
    1928-01-16 – 1928-05-23
    Shin-funkako
  14. 1928VEI 1Observed
    1928-12-04 – 1928-12-25
    Shin-funkako
  15. 1925VEI 3Observed
    1925-11-20 – 1927-09-16
    Shin-funkako
  16. 1889VEI 2Observed
    1889-07-02 – end unknown
    Maru-yama (Yunuma)
  17. 1887VEI 2Observed
    1887-06-16 – end unknown
    Lower part of Maru-yama?
  18. 1857VEI 2Observed
    1857-07-02 – end unknown
  19. 1570 (±100 yrs)VEI 2Geological estimate
    1570 – end unknown
    Maru-yama
  20. 1250VEI 3Geological estimate
    1250 – end unknown
  21. 1050 (±200 yrs)VEI ?Geological estimate
    1050 – end unknown
  22. 950 (±50 yrs)VEI ?Geological estimate
    950 – end unknown
  23. 600 (±300 yrs)VEI ?Geological estimate
    600 – end unknown
  24. 350 (±100 yrs)VEI ?Geological estimate
    350 – end unknown
  25. 1 (±50 yrs)VEI ?Geological estimate
    1 – end unknown
  26. 1350 BCEVEI 3Geological estimate
    1350 BCE – end unknown
    Ground Crater
  27. 1750 BCE (±50 yrs)VEI ?Geological estimate
    1750 BCE – end unknown
  28. 2650 BCE (±200 yrs)VEI ?Geological estimate
    2650 BCE – end unknown

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.