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ザボドフスキー島

Zavodovski

成層火山 · United Kingdom · 551m

Steam clouds rise from fumaroles near the summit of Mount Curry, on Zavodovski Island, in this aerial view from the south. Icebergs lie off the shores of the approximately 4.5-km-wide island, the northernmost of the South Sandwich Islands. The eastern coast (right) comprises lava flows and is low-lying, contrasting with the cliffs of the west (left). Two young eruptive fissures extend NE from the summit toward craters on the east flank and were the source of a lava platform extending toward Pungent Point (right).
Steam clouds rise from fumaroles near the summit of Mount Curry, on Zavodovski Island, in this aerial view from the south. Icebergs lie off the shores of the approximately 4.5-km-wide island, the northernmost of the South Sandwich Islands. The eastern coast (right) comprises lava flows and is low-lying, contrasting with the cliffs of the west (left). Two young eruptive fissures extend NE from the summit toward craters on the east flank and were the source of a lava platform extending toward Pungent Point (right). · 写真: Photo by HMS Endurance (courtesy of John Smellie, British Antarctic Survey). · Wikimedia Commons
タイプ
成層火山
国
United Kingdom
地域
Antarctic-Scotia Volcanic Regions / South Sandwich Volcanic Arc
標高
551m
座標
-56.300, -27.570
最終噴火
2016年
テクトニクス環境
Subduction zone / Oceanic crust (< 15 km)
火山地形
Composite
主要岩石
Basalt / Picro-Basalt
地質学的概要

The 5-km-wide Zavodovski Island, the northernmost of the South Sandwich Islands, consists of a single basaltic stratovolcano with two cones on the east side. Mount Curry, the island's summit, lies west of the center of the island, which is more eroded on that side. Two fissures extend NE from the summit towards the E-flank craters, and a lava platform is located along the eastern coast. The volcano was producing abundant emissions when observed in 1819 by the explorer Bellingshausen. A landing party in 1830 also reported strong emissions along with a fresh lava field on the east side from which pumice was being eroded into the ocean.

Wikipedia の要約

ザボドフスキー島 とは、イギリス領サウスジョージア・サウスサンドウィッチ諸島のトラバーシー諸島の最北端に位置する火山性の無人島である。サウスジョージア島の350 km南東に位置する。最高峰は標高551 mのアスフィクシア山。

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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
1819~1839 · 3件 · 最大 VEI 21898~1918 · 1件 · 最大 VEI 11996~2016 · 1件 · 最大 VEI 118191858191819571996

詳細タイムライン

  1. 2016年VEI 1観測記録
    2016-03-30 ~ 2016-06-15
    Summit crater
  2. 1908年VEI 1地質学的推定
    1908-11 ~ 進行中
  3. 1830年VEI 1地質学的推定
    1830-09 ~ 進行中
  4. 1823年VEI 1地質学的推定
    1823 ~ 進行中
  5. 1819年VEI 2観測記録
    1819-12 ~ 進行中

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。