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クラシェニンニコフ山

Krasheninnikov

カルデラ · Russia · 1816m

Krasheninnikov is comprised of two overlapping edifices seen here from the north, with both cones topped by 800-m-wide craters. Construction of the northern cone (bottom) began about 6,500 years ago and eventually formed an inner cone within a 2-km-wide crater, the rim of which is visible to the left. The small inner cone of the northern crater was built during an eruption about 400 years ago which also produced a SW-flank lava flow.
Krasheninnikov is comprised of two overlapping edifices seen here from the north, with both cones topped by 800-m-wide craters. Construction of the northern cone (bottom) began about 6,500 years ago and eventually formed an inner cone within a 2-km-wide crater, the rim of which is visible to the left. The small inner cone of the northern crater was built during an eruption about 400 years ago which also produced a SW-flank lava flow. · 写真: Photo courtesy of Anatoli Khrenov, 1989 (Institute of Volcanology, Petropavlovsk). · Wikimedia Commons
タイプ
カルデラ
国
Russia
地域
Northwestern Pacific Volcanic Regions / Eastern Kamchatka Volcanic Arc
標高
1816m
座標
54.596, 160.270
最終噴火
2026年
テクトニクス環境
Subduction zone / Continental crust (> 25 km)
火山地形
Composite
主要岩石
Basalt / Picro-Basalt
地質学的概要

The late Pleistocene to Holocene Krasheninnikov volcano is comprised of two overlapping stratovolcanoes within a 9 x 10 km Pleistocene caldera. Young lava flows from summit and flank vents descend both into the caldera and down its outer flanks, and older flows that covered much of the SE caldera rim extended downslope at least 7 km. Tephra deposits from the caldera-forming eruption directly overlie a 39,000 years before present (BP) tephra thought to be associated with the formation of Uzon caldera (Florenskii, 1988). The intra-caldera stratovolcanoes are situated along a NE-SW-trending fissure that has also produced zones of Holocene cinder cones extending 15-20 km beyond the caldera. Construction of the southern edifice began about 11,000 years BP and lasted for about 4,500 years; it has a summit crater about 800-900 m wide. The northern edifice was constructed during a cycle of similar length that began about 6,500 years ago; it has a summit crater about 1.5 km wide, within which is low cone with an 800-m-wide crater containing another small cone. An eruptive cycle during about 600-400 years BP (1350-1550 CE) produced the Pauk lava cone in the crater of the northern cone and the Yuzhny lava flow on SW flank outside the caldera, followed by the Molodoy flow from the upper SW flank (Ponomareva, 1987; Ponomareva and Tsyurupa, 1985; Ponomareva and Braitseva, 1990).

Wikipedia の要約

英語版の要約

Krasheninnikov is a complex of two overlapping stratovolcanoes inside a large caldera on the eastern coast of Kamchatka Peninsula, Russia. It is located in Kronotsky Nature Reserve to the south of Lake Kronotskoye, and is named after explorer Stepan Krasheninnikov.

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
8050 BCE~7714 BCE · 1件 · 最大 VEI ?7378 BCE~7042 BCE · 1件 · 最大 VEI ?6707 BCE~6371 BCE · 1件 · 最大 VEI ?6371 BCE~6035 BCE · 2件 · 最大 VEI ?6035 BCE~5699 BCE · 2件 · 最大 VEI 45699 BCE~5363 BCE · 1件 · 最大 VEI ?5363 BCE~5027 BCE · 2件 · 最大 VEI ?5027 BCE~4692 BCE · 1件 · 最大 VEI ?4692 BCE~4356 BCE · 1件 · 最大 VEI ?3684 BCE~3348 BCE · 1件 · 最大 VEI ?3348 BCE~3012 BCE · 1件 · 最大 VEI ?3012 BCE~2677 BCE · 1件 · 最大 VEI ?2341 BCE~2005 BCE · 1件 · 最大 VEI ?1669 BCE~1333 BCE · 2件 · 最大 VEI 31333 BCE~997 BCE · 3件 · 最大 VEI 3997 BCE~662 BCE · 1件 · 最大 VEI ?662 BCE~326 BCE · 2件 · 最大 VEI ?326 BCE~10 · 2件 · 最大 VEI 4346~682 · 1件 · 最大 VEI 2682~1018 · 2件 · 最大 VEI 31018~1353 · 1件 · 最大 VEI 01353~1689 · 1件 · 最大 VEI ?1689~2025 · 1件 · 最大 VEI ?8050 BCE5699 BCE3012 BCE662 BCE1689

詳細タイムライン

  1. 2025年VEI ?観測記録
    2025-08-02 ~ 2026-03-25
  2. 1550年VEI ?地質学的推定
    1550 ~ 進行中
    Northern cone (Pauk) and SW of S cone
  3. 1350年VEI 0地質学的推定
    1350 ~ 進行中
    SW flank of southern cone
  4. 850年VEI ?地質学的推定
    850 ~ 進行中
    Northern cone
  5. 750年VEI 3地質学的推定
    750 ~ 進行中
    Central N cone, SE flank of S cone
  6. 650年VEI 2地質学的推定
    650 ~ 進行中
    NW flank and central northern cone
  7. 紀元前 150年VEI 4地質学的推定
    BCE 150 ~ 進行中
    Northern cone
  8. 紀元前 250年VEI ?地質学的推定
    BCE 250 ~ 進行中
    Northern cone
  9. 紀元前 350年VEI ?地質学的推定
    BCE 350 ~ 進行中
    Northern cone
  10. 紀元前 650年VEI ?地質学的推定
    BCE 650 ~ 進行中
    Northern cone and southern cone flank
  11. 紀元前 850年VEI ?地質学的推定
    BCE 850 ~ 進行中
    Northern cone and southern cone flank
  12. 紀元前 1000年 (±50年)VEI 3地質学的推定
    BCE 1000 ~ 進行中
    Northern cone
  13. 紀元前 1050年VEI ?地質学的推定
    BCE 1050 ~ 進行中
    Northern cone
  14. 紀元前 1150年VEI ?地質学的推定
    BCE 1150 ~ 進行中
    Northern cone
  15. 紀元前 1350年VEI 3地質学的推定
    BCE 1350 ~ 進行中
    N (Zametny) & S (Duga) flank fissures
  16. 紀元前 1650年VEI ?地質学的推定
    BCE 1650 ~ 進行中
    Northern cone
  17. 紀元前 2250年VEI ?地質学的推定
    BCE 2250 ~ 進行中
    Northern cone
  18. 紀元前 2950年VEI ?地質学的推定
    BCE 2950 ~ 進行中
    Northern cone & N outer flank fissure
  19. 紀元前 3250年VEI ?地質学的推定
    BCE 3250 ~ 進行中
    Northern cone
  20. 紀元前 3550年VEI ?地質学的推定
    BCE 3550 ~ 進行中
    Northern cone, outer N-flank fissure
  21. 紀元前 4450年VEI ?地質学的推定
    BCE 4450 ~ 進行中
    Northern cone
  22. 紀元前 4850年VEI ?地質学的推定
    BCE 4850 ~ 進行中
    Southern cone
  23. 紀元前 5050年VEI ?地質学的推定
    BCE 5050 ~ 進行中
    Southern cone
  24. 紀元前 5250年VEI ?地質学的推定
    BCE 5250 ~ 進行中
    Northern outer flank fissure
  25. 紀元前 5450年VEI ?地質学的推定
    BCE 5450 ~ 進行中
    Southern cone
  26. 紀元前 5800年 (±50年)VEI 4地質学的推定
    BCE 5800 ~ 進行中
    Southern cone summit and west flank
  27. 紀元前 6000年 (±50年)VEI 4地質学的推定
    BCE 6000 ~ 進行中
    Southern cone summit and flank
  28. 紀元前 6250年VEI ?地質学的推定
    BCE 6250 ~ 進行中
    Northern outer flank fissure
  29. 紀元前 6350年VEI ?地質学的推定
    BCE 6350 ~ 進行中
    Southern cone summit and flank
  30. 紀元前 6550年VEI ?地質学的推定
    BCE 6550 ~ 進行中
    Southern cone summit, outer SW flank
  31. 紀元前 7250年VEI ?地質学的推定
    BCE 7250 ~ 進行中
    Southern cone & S outer flank fissure
  32. 紀元前 8050年VEI ?地質学的推定
    BCE 8050 ~ 進行中
    Southern cone & S outer flank fissure

外部リンク

⚠ 参考情報です。緊急対応には使用しないでください。