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Volcanic Cloud Height of the 1914 Eruption at Sakurajima Volcano : Discussions on Documentary Records and Photographs

Bibliographic Information

Other Title
  • 桜島火山1914年噴火の噴煙高度 : 目撃資料の検討
  • サクラジマ カザン 1914ネン フンカ ノ フンエン コウド モクゲキ シリョウ ノ ケントウ

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Abstract

Associated with the 1914 great eruption at Sakurajima volcano, southwestern Japan, the maximum height of volcanic cloud is discussed based on collected documents, sketches and photographs in those days. A series of photographs up to around 10 : 40 on January 12 (in Japanese Standard Time) represents that the volcanic cloud height attained to 7,000 to 8,000 m above sea level. After then, it proved that several documents reported the height to be 9,500-15,000 m, or even more than 18,000 m a.s.l, although it is difficult to obtain reliable evidences. Considering these reports and other observations from a distance, the height of 15,000 m is tentatively proposed here as a possible maximum value. According to an empirical relation, an eruption rate of small pyroclastic materials is suggested as, roughly speaking, 5,000 tons per second or 20 millions of tons per hour, if the volcanic cloud was 15,000 m in height.

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Details

  • CRID
    1390282679280073856
  • NII Article ID
    110003041153
  • NII Book ID
    AN10512786
  • DOI
    10.18940/kazan.44.2_71
  • ISSN
    21897182
    04534360
  • NDL BIB ID
    4715919
  • Text Lang
    ja
  • Data Source
    • JaLC
    • NDL
    • CiNii Articles
    • Crossref
  • Abstract License Flag
    Disallowed

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