Palinuro Seamount
Palinuro
複合火山 · Italy · 70m (海底)
- タイプ
- 複合火山
- 国
- Italy
- 地域
- European Volcanic Regions / Aeolian Volcanic Arc
- 標高
- 70m (海底)
- 座標
- 39.480, 14.830
- 最終噴火
- -8040年
- テクトニクス環境
- Subduction zone / Continental crust (> 25 km)
- 火山地形
- Composite
- 主要岩石
- Phonolite
地質学的概要
Palinuro seamount in the Tyrrhenian Sea north of the Eolian Islands rises nearly 3,000 m to within 70 m of the surface and has an open summit crater. A marine ash layer (PL-1) radiocarbon dated (calibrated) at 9,990 +/- 90 years ago is chemically and stratigraphically similar to two ash layers on land in southern Italy; it was tentatively correlated to Palinuro seamount activity (Siani et al., 2004).
Wikipedia の要約
英語版の要約Palinuro Seamount is a seamount in the Tyrrhenian Sea. It is an elongated 50–70 km (31–43 mi) long complex of volcanoes north of the Aeolian Islands with multiple potential calderas. The shallowest point lies at 80–70 m (260–230 ft) depth and formed an island during past episodes of low sea level. Palinuro was active during the last 800,000 years and is likely the source for a 10,000 years old tephra layer in Italy. Ongoing seismicity occurs at the seamount, which may be a tsunami hazard. The volcanic activity may somehow relate to the subduction of the Ionian Sea farther east.
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噴火履歴
詳細タイムライン
- 紀元前 8040年 (±100年)VEI ?地質学的推定BCE 8040 ~ 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。