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Japan · Caldera

Lake Shikotsu

Shikotsu

Type
Caldera
Elevation
1320m
Last eruption
1981
Lake Shikotsu
Public domain · Wikimedia Commons
Type
Caldera
Country
Japan
Region
Northwestern Pacific / Northeast Japan Volcanic Arc
Elevation
1320m
Coordinates
42.688, 141.380
Last eruption
1981
Tectonic setting
Subduction zone / Continental crust (> 25 km)
Landform
Caldera
Major rock type
Andesite / Basaltic andesite

Geological summary

The 13 x 15 km Shikotsu caldera, largely filled by the waters of Lake Shikotsu, was formed during one of Hokkaido's largest Quaternary eruptions about 31-34,000 years ago.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

From Wikipedia

Lake Shikotsu is a caldera lake in Chitose, Hokkaidō, Japan. It is a part of the Shikotsu-Toya National Park.

Wikipedia · CC BY-SA · Read full article →

Eruption history

43 recordedGlossary

Record summary

Confirmed eruptions
41
Uncertain eruptions
2
Span of confirmed record
6950 BCE – 1981
Largest confirmed eruption
VEI 5 (1739, the most recent of 4)
Confirmed eruptions since 1900
23
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
6950 BCE~6652 BCE · 1 eruptions · max VEI 5698 BCE~401 BCE · 1 eruptions · max VEI 5103 BCE~195 · 2 eruptions · max VEI 31386~1683 · 3 eruptions · max VEI 51683~1981 · 36 eruptions · max VEI 56950 BCE4866 BCE2484 BCE401 BCE1683

Detailed timeline

  1. 1981VEI 1Observed
    1981-02-27 – 1981-02-27
    Tarumai
  2. 1978VEI 1Observed
    1978-05-14 – 1978-05-17
    Tarumai (SE foot of summit dome)
  3. 1978VEI 1Observed
    1978-12-12 – 1979-05-11
    Tarumai (SE foot of summit dome)
  4. 1954VEI 1Observed
    1954-05-02 – 1954-05-02
    Tarumai
  5. 1954VEI 1Observed
    1954-11-19 – 1955-02-14
    Tarumai
  6. 1953VEI 1Observed
    1953-09-14 – 1953-09-14
    Tarumai
  7. 1951VEI 2Observed
    1951-01-29 – 1951-01-29
    Tarumai
  8. 1951VEI 2Observed
    1951-07-28 – 1951-07-28
    Tarumai
  9. 1947VEI 1Observed
    1947-10-15 – 1947-10-15
    Tarumai
  10. 1944VEI 1Observed
    1944-07-02 – 1944-07-02
    Tarumai
  11. 1936VEI 1Observed
    1936-04-19 – 1936-04-19
    Tarumai
  12. 1936VEI 1Observed
    1936-11-15 – 1936-11-26
    Tarumai
  13. 1933VEI 2Observed
    1933-12-01 – 1933-12-14
    Tarumai (east-west summit fissure)
  14. 1931VEI 1Observed
    1931-10-11 – 1931-10-24
    Tarumai
  15. 1928VEI 2Observed
    1928-01-07 – 1928-01-07
    Tarumai
  16. 1928VEI 1Observed
    1928-09-06 – 1929-02-10
    Tarumai
  17. 1926VEI 2Observed
    1926-10-19 – 1926-10-30
    Tarumai
  18. 1923VEI 1Observed
    1923-02-16 – 1923-08-23
    Tarumai
  19. 1921VEI 1Observed
    1921-07-06 – 1921-07-06
    Tarumai
  20. 1920VEI 1Observed
    1920-07-17 – 1920-07-23
    Tarumai
  21. 1919VEI 2Observed
    1919-05-04 – 1919-05-04
    Tarumai
  22. 1918VEI 1Observed
    1918-06-13 – 1918-07-31
    Tarumai
  23. 1917VEI 2Observed
    1917-04-30 – 1917-05-12
    Tarumai (east-west summit fissure)
  24. 1909VEI 3Observed
    1909-01-11 – 1909-04-22
    Tarumai
  25. 1894VEI 2Observed
    1894-02-08 – 1894-02-08
    Tarumai
  26. 1894VEI 2Observed
    1894-08-17 – 1894-08-17
    Tarumai
  27. 1887VEI 2Observed
    1887-09-03 – 1887-10-08
    Tarumai
  28. 1886VEI 2Observed
    1886-04-13 – 1886-04-28
    Tarumai
  29. 1885VEI 2Observed
    1885-01-04 – 1885-03-26
    Tarumai
  30. 1883VEI 2Observed
    1883-10-07 – 1883-11-05
    Tarumai
  31. 1874VEI 3Observed
    1874-02-08 – 1874-02-16
    Tarumai
  32. 1871VEI 2Method not stated
    1871-12-25 – 1871-12-28
    Tarumai
  33. 1867VEI 2Observed
    1867-09-08 – end unknown
    Tarumai
  34. 1804VEI 3Observed
    1804-07-02 – 1817-07-02
    Tarumai
  35. 1739VEI 5Observed
    1739-08-19 – 1739-08-31
    Tarumai
  36. 1707 (±30 yrs)VEI 2Geological estimate
    1707 – end unknown
    Eniwa (crater 3)
  37. 1667VEI 5Observed
    1667-09-23 – 1667-09-26
    Tarumai
  38. 1550 (±75 yrs)VEI 2Geological estimate
    1550 – end unknown
    Eniwa (crater 2)
  39. 1500 (±150 yrs)VEI 2Geological estimate
    1500 – end unknown
    Eniwa (crater 1)
  40. 50 BCEVEI 3Geological estimate
    50 BCE – end unknown
    Tarumai
  41. 100 BCE (±100 yrs)VEI 2Geological estimate
    100 BCE – end unknown
    Eniwa volcano (east side of summit)
  42. 550 BCEVEI 5Geological estimate
    550 BCE – end unknown
    Tarumai
  43. 6950 BCEVEI 5Geological estimate
    6950 BCE – end unknown
    Tarumai

Nearby volcanoes

External links

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