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デンポ山

Dempo

成層火山 · Indonesia · 3142m

The youngest crater of Dempo volcano, at the WNW end of a series of six partially overlapping craters at the summit, contains a 400-m-wide crater lake that has been the source of frequent phreatic eruptions during historical time. A seventh smaller crater is located on the upper N flank. Dempo is one of Sumatra's most active volcanoes, frequently producing small-to-moderate explosive eruptions.
The youngest crater of Dempo volcano, at the WNW end of a series of six partially overlapping craters at the summit, contains a 400-m-wide crater lake that has been the source of frequent phreatic eruptions during historical time. A seventh smaller crater is located on the upper N flank. Dempo is one of Sumatra's most active volcanoes, frequently producing small-to-moderate explosive eruptions. · 写真: Photo by Ruska Hadian, 1989 (Volcanological Survey of Indonesia). · Wikimedia Commons
タイプ
成層火山
Indonesia
地域
Sunda-Banda Volcanic Regions / Sunda Volcanic Arc
標高
3142m
座標
-4.016, 103.121
最終噴火
2025年
テクトニクス環境
Subduction zone / Continental crust (> 25 km)
火山地形
Composite
主要岩石
Andesite / Basaltic Andesite
地質学的概要

Dempo is a stratovolcano that rises above the Pasumah Plain of SE Sumatra. The andesitic complex has two main peaks, Gunung Dempo and Gunung Marapi, constructed near the SE rim of a 3-km-wide amphitheater open to the north. The high point of the older Gunung Dempo crater rim is slightly lower, and lies at the SE end of the summit complex. The taller Marapi cone was constructed within the older crater. Remnants of seven craters are found at or near the summit, with volcanism migrating WNW over time. The active 750 x 1,100 m active crater cuts the NW side of the Marapi cone and contains a 400-m-wide lake at the far NW end. Eruptions recorded since 1817 have been small-to-moderate explosions that produced local ashfall.

Wikipedia の要約

英語版の要約

Mount Dempo is the highest stratovolcano in South Sumatra province that rises above Pasumah Plain near Pagar Alam and adjacent with Bengkulu Province. Seven craters are found around the summit. A 400-metre (1,300 ft) wide lake is found at the north-west end of the crater complex.

Wikipedia · CC BY-SA · 記事全文を読む

噴火履歴

概要 (VEI時系列)
バーをクリックすると個別の噴火が表示されます
1817~1838 · 1件 · 最大 VEI 21838~1859 · 2件 · 最大 VEI 21859~1879 · 1件 · 最大 VEI 21879~1900 · 7件 · 最大 VEI 21900~1921 · 2件 · 最大 VEI 21921~1942 · 8件 · 最大 VEI 21963~1983 · 3件 · 最大 VEI 21983~2004 · 1件 · 最大 VEI 12004~2025 · 8件 · 最大 VEI 218171859192119632004

詳細タイムライン

  1. 2025年VEI ?観測記録
    2025-08-07 ~ 2025-08-29
  2. 2024年VEI 1観測記録
    2024-05-27 ~ 2024-05-31
  3. 2024年VEI 1観測記録
    2024-11-23 ~ 2025-02-02
  4. 2023年VEI 2観測記録
    2023-07-25 ~ 2023-08-21
  5. 2022年VEI 1観測記録
    2022-05-31 ~ 2022-05-31
  6. 2017年VEI 1観測記録
    2017-11-09 ~ 2017-11-09
    Summit crater
  7. 2009年VEI 1観測記録
    2009-01-01 ~ 2009-01-01
  8. 2006年VEI 1観測記録
    2006-09-25 ~ 2006-09-25
  9. 1994年VEI 1観測記録
    1994-10-16 ~ 1994-10-16
  10. 1974年VEI 2観測記録
    1974-02-26 ~ 1974-10-20
  11. 1973年VEI 2観測記録
    1973-01-24 ~ 1973-01-25
  12. 1964年VEI 2観測記録
    1964-02-14 ~ 1964-02-14
  13. 1940年VEI 2観測記録
    1940-07 ~ 進行中
  14. 1939年VEI 2観測記録
    1939-07-18 ~ 1939-07-30
  15. 1939年VEI 2観測記録
    1939-12-19 ~ 1940-02-21
  16. 1936年VEI 2観測記録
    1936-11-26 ~ 1936-11-27
  17. 1934年VEI 2観測記録
    1934-01-24 ~ 1934-04-25
  18. 1926年VEI 2観測記録
    1926-04-22 ~ 1926-04-24
  19. 1923年VEI 1観測記録
    1923-05-19 ~ 1923-05-19
  20. 1921年VEI 1観測記録
    1921-04 ~ 1921-04
  21. 1908年VEI 2観測記録
    1908-02-16 ~ 1908-02-17
  22. 1905年VEI 0観測記録
    1905 ~ 進行中
  23. 1900年VEI 2観測記録
    1900-06-04 ~ 1900-06-04
  24. 1900年VEI 2観測記録
    1900-10-26 ~ 1900-10-27
  25. 1895年VEI 2観測記録
    1895-07-02 ~ 1895-09-30
  26. 1884年VEI 2観測記録
    1884-06 ~ 1884-07
  27. 1881年VEI 2観測記録
    1881-02-16 ~ 進行中
  28. 1881年VEI 2観測記録
    1881-12 ~ 1881-12
  29. 1880年VEI 2観測記録
    1880-05 ~ 進行中
  30. 1879年VEI 2観測記録
    1879-05-18 ~ 進行中
  31. 1853年VEI 2観測記録
    1853-01-01 ~ 進行中
  32. 1839年VEI 2観測記録
    1839 ~ 進行中
  33. 1817年VEI 2観測記録
    1817-12-31 ~ 進行中

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