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ティナクラ島

Tinakula

成層火山 · Solomon Islands · 796m

The northern side of the 3.5-km-wide Tinakula volcano at the NW end of the Santa Cruz Islands. The small island is the exposed portion of a stratovolcano that rises 3-4 km from the sea floor. A large breached crater extending from the summit to below the NW coast is visible to the right and has been the source of frequent eruptions dating back to at least 1595.
The northern side of the 3.5-km-wide Tinakula volcano at the NW end of the Santa Cruz Islands. The small island is the exposed portion of a stratovolcano that rises 3-4 km from the sea floor. A large breached crater extending from the summit to below the NW coast is visible to the right and has been the source of frequent eruptions dating back to at least 1595. · 写真: Photo by Donn Tolia, 2002 (Geological Survey of the Solomon Islands, courtesy of CSIRO). · Wikimedia Commons
タイプ
成層火山
国
Solomon Islands
地域
Southwestern Pacific Volcanic Regions / Vanuatu Volcanic Arc
標高
796m
座標
-10.386, 165.804
最終噴火
2024年
テクトニクス環境
Subduction zone / Crustal thickness unknown
火山地形
Composite
主要岩石
Andesite / Basaltic Andesite
地質学的概要

The small 3.5-km-wide island of Tinakula is the exposed summit of a massive stratovolcano at the NW end of the Santa Cruz islands. It has a breached summit crater that extends from the summit to below sea level. Landslides enlarged this scarp in 1965, creating an embayment on the NW coast. The Mendana cone is located on the SE side. The dominantly andesitic volcano has frequently been observed in eruption since the era of Spanish exploration began in 1595. In about 1840 an explosive eruption apparently produced pyroclastic flows that swept all sides of the island, killing its inhabitants. Recorded eruptions have frequently originated from a cone constructed within the large breached crater. These have left the upper flanks and the steep apron of lava flows and volcaniclastic debris within the breach unvegetated.

Wikipedia の要約

英語版の要約

Tinakula is a conical stratovolcano which forms an island north of Nendo in Temotu Province, Solomon Islands. It lies at the north end of the Santa Cruz Islands. It is about 3.5 kilometres wide and rises 851 metres above sea level, rising three to four kilometres from the sea floor. The volcano was first recorded in eruption in 1595 when Spanish explorer Álvaro de Mendaña sailed past it during his second expedition across the Pacific Ocean. Tinakula has also been known in the past as Tamami or Volcano Island.

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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
1050 BCE~858 BCE · 1件 · 最大 VEI ?1443~1635 · 1件 · 最大 VEI 31635~1826 · 2件 · 最大 VEI 21826~2018 · 24件 · 最大 VEI 31050 BCE283 BCE48410591826

詳細タイムライン

  1. 2018年VEI 2観測記録
    2018-12-08 ~ 2024-12-31
    Summit vent and NW flank
  2. 2017年VEI 3観測記録
    2017-10-21 ~ 2017-10-26
    Summit crater
  3. 2008年VEI 1観測記録
    2008-09-19 ~ 2008-11-29
  4. 2006年VEI 2観測記録
    2006-02-11 ~ 2007-11-09
  5. 2002年VEI 1観測記録
    2002-04-16 ~ 進行中
    Upper NW flank
  6. 2002年VEI 1地質学的推定
    2002-11-16 ~ 進行中
  7. 2000年VEI 1観測記録
    2000-02-29 ~ 2001-05-08
  8. 1999年VEI 1観測記録
    1999-05-16 ~ 進行中
  9. 1995年VEI 1観測記録
    1995-07-02 ~ 進行中
  10. 1989年VEI 1観測記録
    1989-08-16 ~ 1990-02-16
  11. 1984年VEI 2観測記録
    1984-06-03 ~ 1985-06-13
    Upper NW flank
  12. 1971年VEI 2観測記録
    1971-09-06 ~ 1971-12-11
    Upper and lower NW flanks
  13. 1965年VEI 3観測記録
    1965-11-23 ~ 1966-06-11
    Upper NW flank
  14. 1955年VEI 2地質学的推定
    1955-08-16 ~ 1955-10-15
  15. 1951年VEI 3観測記録
    1951-10-23 ~ 1951-11-27
  16. 1932年VEI 1観測記録
    1932-05-11 ~ 進行中
  17. 1927年VEI 2観測記録
    1927-03-01 ~ 1927-03-04
  18. 1909年VEI 2観測記録
    1909-08 ~ 進行中
  19. 1897年VEI 2観測記録
    1897-03-26 ~ 進行中
  20. 1886年VEI ?観測記録
    1886 ~ 進行中
  21. 1871年VEI 2観測記録
    1871-09-16 ~ 1871-09-19
  22. 1869年VEI 2観測記録
    1869-03 ~ 進行中
  23. 1855年VEI 2観測記録
    1855-08 ~ 1857-08
  24. 1840年VEI 3観測記録
    1840 ~ 進行中
  25. 1797年VEI 1観測記録
    1797 ~ 進行中
  26. 1767年VEI 2観測記録
    1767-08-17 ~ 進行中
  27. 1595年VEI 3観測記録
    1595-09-07 ~ 1595-09-14
  28. 紀元前 1050年VEI ?地質学的推定
    BCE 1050 ~ 進行中

外部リンク

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