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A basic study on volcanic disaster from 'high temperature debris avalanche'

Research Project

Project/Area Number 09680449
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Natural disaster science
Research InstitutionKumamoto University

Principal Investigator

WATANABE Kazunori  Kumamoto University, Faculty of Education, Professor, 教育学部, 教授 (10040049)

Co-Investigator(Kenkyū-buntansha) YOKOYAMA Shozo  Kumamoto University, Faculty of Education, Professor, 教育学部, 教授 (40015847)
Project Period (FY) 1997 – 1998
Project Status Completed (Fiscal Year 1998)
Budget Amount *help
¥2,500,000 (Direct Cost: ¥2,500,000)
Fiscal Year 1998: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1997: ¥1,800,000 (Direct Cost: ¥1,800,000)
KeywordsHigh temperature debris avalanche / Volcanic hazard / Kuju Volcano / Matsunodai debris avalanche deposit / Yufu-dake volcano / Debris avalanche / 山体崩壊
Research Abstract

We examined the geological occurrences and characteristics of magnetic polarity of the four debris avalanche deposits in Kyushu. The four examples are Matsunodai debris avalanche deposit of Kuju volcano, Tsukahara debris avalanche deposit of Yufu-dake volcano, Shimabara debris avalanche deposit of Unzen volcano, and Kobayashi debris avalanche deposit of Kirishima volcano. The results are as follows.
1) Matunodai debris avalanche deposit of Kuju volcano
In case of Matsunodai debris avalanche deposit, we examined the magnetic polarity of the many blocks in the deposit, and obtained the evidence that the some big blocks indicate higher temperature than the Curie point, about 500゚C, of titan-poor titanomagnetite. This result is very significant for the construction of model for the debris avalanche deposit. The existence of the 'high-temperature debris avalanche' deposit suggests that the possibility of the collapse of cooling lava dome which has high temperature interior. The 'high-temperature debris avalanche' is a new type of the volcanic disaster.
2) Tsukahara debris avalanche deposit of Yufu-dake volcano
In case of Tsukahara debris avalanche deposits, we examined the magnetic polarity of the some blocks in the deposit, but we could not obtain the evidence which indicate the high temperature.
3) Shimabara debris avalanche deposit of Unzen volcano
This deposit was formed by 1792 Collapse of Mayu-yama, Unzen volcano. We could not obtaine the evidence of high temperature for the deposits.
4) Kobayashi debris avalanche deposit of Kirishima volcano
The Kobayashi debris avalanche deposit contains some blocks which have some structures showing the high temperature. It is necessary in future to examine the magnetic characteristics of the blocks in this deposit.

Report

(3 results)
  • 1998 Annual Research Report   Final Research Report Summary
  • 1997 Annual Research Report
  • Research Products

    (29 results)

All Other

All Publications (29 results)

  • [Publications] 波多江憲治: "九重火山1995-96年噴火活動に伴う火山灰中の発泡ガラスの含有量の経時変化" 火山. 42・5. 345-353 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 宮縁 育夫: "埋没黒ボク土層の^<14>C年代からみた完新世阿蘇火山テフラの噴出年代" 火山. 42・6. 403-408 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 波多江憲治: "火山活動初期噴出物を用いた噴火災害の予測-1990-91年雲仙普賢岳噴火活動におけるケーススタディー-" 自然災害西部地区部会報・論文集. 22. 203-208 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Hoshizumi Hideo: "Geology and eruptive history of Unzen Volcano,Shimabara Penimula,Kyushu,SIV Japan" Jour.Volcanol.Geothrm.Res.89・1-4. 81-94 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Watanabe Kazunori: "Co-ignimbrite ash-fall deposits of the 1991 eruptions of Fugen-dake,Unzen Volcano,Japan" Jour.Volcanol.Geotherm.Res.89・1-4. 95-112 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Watanabe Koichiro: "Juvenile Volamic glass enpted before the appearance of the 1991 lavadome,Unzen Volcano,Kyusyu,Japan" Jour.Volcanol.Geotherm.Res.89・1-4. 113-121 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 渡辺一徳: "土地分類基本調査「日田・森・宮原」(5万分の1,表層地質図)" 熊本県, 48 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 渡辺一徳: "日本の火山「九州の火山」(阿蘇火山-壮大なカルデラと中央火口丘群をたずねて-" 築地書館(高橋正樹・小林哲夫編), 153 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kenji Hatae: "Variations in content of vesiculated glasses in volcanic ash erupted from Kuju volcano in 1995-96" Japan.Bull.Volcanol.Soc.Japan.42. 345-353 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Ikuo Miyabuchi: "Eruption ages of Holocene tephras from Aso volcano, Southwest Japan, Interred from 14 C ages of buried Andosols." Bull.Volcanol.Soc.Japan. 42. 403-408 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kenji Hatae: "Prediction of volcanic hazard by the products in early stage of the eruption, In case of 1990-91 eruption of Fugen-dake, Unzen volcano, Japan." Western Regional Division Report of Japan Group for the Study of Natural Disaster. 22. 203-208 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Hideo Hoshizumi: "Geology and eruptive history of Unzen volcano, Shimabara Peninsula, Kyushu, SW Japan." Jour.Volcanol.Geotherm.Res.89. 81-94 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kazynori Watanabe: "Co-ignimbrite ash-fall deposits of the 1991 eruptions of Fugen-dake, Unzen volcano, Japan." Jour.Volcanol.Geotherm.Res.89. 95-112 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Koichiro Watanabe: "Juvenile volcanic glass erupted before the appearance of the 1991 lava dome, Unzen volcano, Kyushu, Japan." Jour.Volcanol.Geotherm.Res.89. 113-121 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kazunori Watanabe: Subsurface geological map of Hita, Mori and Miyanoharu district, and explanatory text.Pub.by Kumamoto Prefecture, 16-26 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] Kazunori Watanabe: Aso volcano.Field Guide of Volcanoes in Japan, vol.5 ; Volcano in Kyushu.Tsukiji Shokan, 49-66 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1998 Final Research Report Summary
  • [Publications] 波多江 憲治: "九重火山1995-96年噴火活動に伴う火山灰中の発泡ガラス含有量の経時変化" 火山. 42・5. 345-353 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] 宮縁 育夫: "埋没黒ボク土層の^<14>C年代からみた完新世阿蘇火山テフラの噴出年代" 火山. 42・6. 403-408 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] 波多江 憲治: "火山活動初期噴出物を用いた噴火災害の予測-1990-93年雲仙普賢岳噴火活動におけるケーススタディー" 自然災害西部地区部会報・論文集. 22. 203-208 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Hoshizumi Hideo: "Geology and eruptive history of Unzen Varianto,Shimabara Peninsula,Kyushu,SW Japan" Jour.Volcanol.Geotherm.Res.89・1-4. (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] Watanabe Kazunori: "Co-ignionbrite ash-fall deposits of the 1991 eruptions of Fugen-dake,Unzen Volcano,Japan" Jour.Volcanol.Geotherm.Res.89・1-4. (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] Watanabe Koichiro: "Juvenile volcanic gloss erupted before the appearence of the 1991 lava dome,Unzen Valcano,Kyushu,Japan" Jour.Volcanol.Geotherm.Res.89・1-4. (1999)

    • Related Report
      1998 Annual Research Report
  • [Publications] 渡辺 一徳: "土地分類基本調査「日田・森・宮原」(5万分の1、表層地質図)" 熊本県, 48 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] 渡辺 一徳: "日本の火山「九州の火山」(阿蘇火山-壮大なカルデラと中央火口丘群をたずねて-)" 築地書館(高橋正樹・小林哲夫 編), 153 (1992)

    • Related Report
      1998 Annual Research Report
  • [Publications] Hoshizumi Hideo: "geology and K-Ar geochronology of the Unzen volcano" Proceeding of Unzen International Workship:Decade voluno and scientific drilling. 22-25 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] Watanabe Koichiro: "Monitoring of jurenile material in ash before dome appearance during 1990-1991 eruption of Unzen volano" Proceedings of Unzen International Workshop:Decade volcano and scientific drilling. 76-77 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 波多江憲治: "九重火山1995-96年噴火活動に伴う火山灰中の発砲ガラス含有量の経時変化" 火山. 42・5. 345-353 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 宮縁育夫: "埋没黒ボク土層の^<14>C年代からみた完新世阿蘇火山テフラの噴出時代" 火山. 42・6. 403-408 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] 熊本県: "土地分類基本調査「八方ヶ岳」5万分の1" 熊本県企画開発部土地対策課, 40 (1997)

    • Related Report
      1997 Annual Research Report

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Published: 1997-04-01   Modified: 2016-04-21  

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