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Picture of hydrothermal circulation, magma supply system of Kusatsu Shirane volcano

Research Project

Project/Area Number 15K01247
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Natural disaster / Disaster prevention science
Research InstitutionTokyo Institute of Technology

Principal Investigator

TERADA AKIHIKO  東京工業大学, 理学院, 講師 (00374215)

Co-Investigator(Kenkyū-buntansha) 石崎 泰男  富山大学, 大学院理工学研究部(理学), 准教授 (20272891)
吉本 充宏  山梨県富士山科学研究所, その他部局等, 研究員 (20334287)
Co-Investigator(Renkei-kenkyūsha) UEKI Kenta  東京大学, 地震研究所, 研究員 (40646353)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords草津白根火山 / 水蒸気噴火 / 熱水系 / 土壌気体水銀放出 / 土壌気体水銀放出率 / 土壌水銀放出率 / 草津白根山
Outline of Final Research Achievements

We have developed a simple method to quantify gaseous elemental mercury (GEM) discharge rates from grounds at volcanic fields. Applying the procedure, we have measured GEM flux distribution around the Shirane pyroclastic cones at Kusatsu-Shirane volcano. As a result, we have found two zones emitting relatively high flux of GEM at south and south-east flanks of the Shirane pyroclastic cones. We consider that the areas are fracture zones connecting between shallow hydrothermal reservoirs and ground surface that can form volcanic craters during future eruptions. In addition, our geologic surveys have revealed that explosive eruptions including phreatic and phreatomagmatic explosions have repeatedly occurred at southern part of the Shirane pyroclastic cones. To detect changes in volcanic activities, observation system such as seismometers should be installed at the southern part of Shirane pyroclastic cones, in addition to the area near Yugama crater lake.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (18 results)

All 2018 2017 2016 2015

All Journal Article (3 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (14 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Book (1 results)

  • [Journal Article] Kusatsu-Shirane volcano as a site of phreatic eruptions2018

    • Author(s)
      寺田暁彦
    • Journal Title

      The Journal of the Geological Society of Japan

      Volume: 124 Issue: 4 Pages: 251-270

    • DOI

      10.5575/geosoc.2017.0060

    • NAID

      130007413090

    • ISSN
      0016-7630, 1349-9963
    • Year and Date
      2018-04-15
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 草津白根火山2018年1月23日噴火による降灰分布2018

    • Author(s)
      草津白根山降灰合同調査班(石崎泰男・他15名)
    • Journal Title

      火山噴火予知連絡会会報

      Volume: 129

    • Related Report
      2017 Annual Research Report
    • Open Access
  • [Journal Article] Variety and sustainability of volcanic lakes: Response to subaqueous thermal activity predicted by a numerical model2017

    • Author(s)
      Terada Akihiko、Hashimoto Takeshi
    • Journal Title

      Journal of Geophysical Research: Solid Earth

      Volume: 122 Issue: 8 Pages: 6108-6130

    • DOI

      10.1002/2017jb014387

    • NAID

      120006394562

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Presentation] 草津白根火山・白根火砕丘周辺の熱活動2017

    • Author(s)
      寺田暁彦
    • Organizer
      地球惑星科学連合2017年大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 火口周辺の土壌から放出される気体水銀量の計測2017

    • Author(s)
      水谷紀章・寺田暁彦・野田徹郎
    • Organizer
      地球惑星科学連合2017年大会
    • Related Report
      2017 Annual Research Report 2016 Research-status Report
  • [Presentation] 熱水系卓越火山における土壌気体水銀放出率の測定2017

    • Author(s)
      水谷紀章・寺田暁彦・野田徹朗
    • Organizer
      日本火山学会2017年秋季大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 草津白根火山の完新世噴火履歴2017

    • Author(s)
      亀谷伸子・石崎泰男・吉本充宏・寺田暁彦
    • Organizer
      日本火山学会2017年秋季大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] EMP-2を用いた活動火口周辺における土壌気体水銀放出率の測定2017

    • Author(s)
      水谷紀章・寺田暁彦・野田徹郎
    • Organizer
      日本地熱学会平成29年学術講演会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 地殻変動および熱観測から推定される草津白根山火口湖周辺の物質収支2016

    • Author(s)
      寺田暁彦・坂本ゆり・神田 径・小川康雄
    • Organizer
      日本地球惑星科学連合2016年大会
    • Place of Presentation
      千葉市
    • Year and Date
      2016-05-23
    • Related Report
      2015 Research-status Report
  • [Presentation] 草津白根火山本白根火砕丘群の完新世の噴火履歴2016

    • Author(s)
      濁川 暁・石崎泰男・亀谷伸子・吉本充宏・寺田暁彦・上木賢太・中村賢太郎
    • Organizer
      日本地球惑星科学連合2015年大会
    • Place of Presentation
      千葉市
    • Year and Date
      2016-05-22
    • Related Report
      2015 Research-status Report
  • [Presentation] Evaluation of temporal changes in volcanic fluid emitted from the bottom of active hot crater lakes2016

    • Author(s)
      Terada, A. and Hashimoto ,T.
    • Organizer
      The 26th Goldschmidt Conference
    • Place of Presentation
      Yokohama
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 草津白根火山の完新世噴火履歴2016

    • Author(s)
      亀谷伸子・石﨑泰男・濁川 暁・吉本充宏・寺田暁彦・上木賢太
    • Organizer
      日本火山学会秋季大会
    • Place of Presentation
      富士吉田市
    • Related Report
      2016 Research-status Report
  • [Presentation] 地殻変動および熱観測から推定される草津白根山火口湖周辺の物質収支2016

    • Author(s)
      寺田暁彦・坂本ゆり・神田 径・小川康雄,
    • Organizer
      地球惑星科学連合2016年大会
    • Place of Presentation
      千葉市
    • Related Report
      2016 Research-status Report
  • [Presentation] 草津白根火山本白根火砕丘群の完新世の噴火履歴2016

    • Author(s)
      濁川 暁・石崎泰男・亀谷伸子・吉本充宏・寺田暁彦・上木賢太・中村賢太郎
    • Organizer
      地球惑星科学連合2016年大会
    • Place of Presentation
      千葉市
    • Related Report
      2016 Research-status Report
  • [Presentation] テフラ層序からみた草津白根火山の最近5000年間の噴火活動2015

    • Author(s)
      亀谷伸子・石﨑泰男・濁川 暁・吉本充宏・寺田暁彦・上木賢太
    • Organizer
      日本火山学会2015年度秋季大会
    • Place of Presentation
      富山市
    • Year and Date
      2015-09-25
    • Related Report
      2015 Research-status Report
  • [Presentation] 水蒸気噴火を起こす火口地下浅部の熱構造2015

    • Author(s)
      寺田暁彦
    • Organizer
      日本地質学会第122年学術大会
    • Place of Presentation
      長野市
    • Year and Date
      2015-09-12
    • Related Report
      2015 Research-status Report
    • Invited
  • [Presentation] 夜間空中赤外観測から推定される草津白根山の浅部熱水活動2015

    • Author(s)
      坂本ゆり・寺田暁彦
    • Organizer
      日本地球惑星科学連合2015年大会
    • Place of Presentation
      千葉市
    • Year and Date
      2015-05-25
    • Related Report
      2015 Research-status Report
  • [Book] 日本の火山ウォーキングガイド2016

    • Author(s)
      寺田暁彦・吉本充宏
    • Total Pages
      192
    • Publisher
      丸善
    • Related Report
      2016 Research-status Report

URL: 

Published: 2015-04-16   Modified: 2019-03-29  

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