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2007 Fiscal Year Final Research Report Summary

Extended researches of shallow subsurface structure with using the seismic waveform correlation methods

Research Project

Project/Area Number 18540412
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Solid earth and planetary physics
Research InstitutionAkita University

Principal Investigator

TSUTSUI Tomoki  Akita University, Department of Engineering and Resource science, Associate Professor (70240819)

Project Period (FY) 2006 – 2007
KeywordsThe seismic waveform correlation methods / Reflection seismoloev / Volcanic tremor / Subsurface structure of volcanoes / Controlled source seismology
Research Abstract

These following researches have been made in this project. The first, comparison among various methods with using correlation functions of seismograms have been made. The second, the methods have been applied to seismic exploration in volcanic area. The third, reproductivity tests have been made among seismic sections with source variation. The fourth, the feasibility has been discussed for detection of dynamic changes of subsurface structure. Our results on these tasks were successful.
Seismograms in Fuji and Kusatsu-Shirane volcanoes have been processed with the seismic correlation methods and seismic sections have been obtained successfully in the first and the second years. Each result has been published as papers on 2007 and 2008. An application to volcanic tremor was also tried to process with the seismic correlation method and S-wave imaging of shallow volcanic structure have been successfully achieved. The equivalent source seismogram which is derived as a stack of all correlerograms has been found as useful to discussing reproductivity of the sections or effect of incident wavelet. Variations in the equivalent source wavelets have been detected and this suggests there may be certain changes among repetitive volcanic tremor.
It is concluded that applications of the seismic correlation methods on volcanic seismic events are useful and sensitive tools to detect dynamic changes around volcanic conduits.

  • Research Products

    (11 results)

All 2008 2007 2006

All Journal Article (4 results) (of which Peer Reviewed: 2 results) Presentation (7 results)

  • [Journal Article] 草津白根火山白根火砕丘の地震反射断面2008

    • Author(s)
      筒井智樹, 他11名
    • Journal Title

      火山 53

      Pages: 1-14

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
  • [Journal Article] Seismic Pseudo Reflection Profiling in Shirane pyrocrastic Cone, Kusatsu-Shirane Volcano2008

    • Author(s)
      Tsutsui, T., et. al.
    • Journal Title

      KAZAN 53, 1

      Pages: 1-14

    • Description
      「研究成果報告書概要(欧文)」より
  • [Journal Article] 人工地震で見た富士火山の地下構造2007

    • Author(s)
      筒井智樹, 他2名
    • Journal Title

      物理探査 60

      Pages: 131-144

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
  • [Journal Article] Seismic reflection profilings of Fuji volcano, Japan2007

    • Author(s)
      Tsutsui, T., et. al.
    • Journal Title

      BUTSURITANSA 60, 2

      Pages: 131-144

    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Seismic reflectors in the pressure source region of ground deformation in Asama Volcano2007

    • Author(s)
      Tsutsui, T., et. al.
    • Organizer
      Cities on Volcanoes 5 Conference
    • Place of Presentation
      Shimabara city
    • Year and Date
      20071119-20
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Seismic reflectors in the pressure source region of ground deformation in Asama volcano2007

    • Author(s)
      Tomoki, Tsutsui, et. al.
    • Organizer
      Cities on Volcano 5th conference
    • Place of Presentation
      Shimabara city
    • Year and Date
      2007-11-24
    • Description
      「研究成果報告書概要(和文)」より
  • [Presentation] 浅間山における人工地震構造探査2007

    • Author(s)
      青木陽介, 他15名(12番目)
    • Organizer
      日本地球惑星科学連合2007年大会
    • Place of Presentation
      千葉市
    • Year and Date
      2007-05-22
    • Description
      「研究成果報告書概要(和文)」より
  • [Presentation] 浅間火山における高密度人工地震観測(序報)2007

    • Author(s)
      森田裕一・筒井智樹, 他
    • Organizer
      日本地球惑星科学連合2007年大会
    • Place of Presentation
      千葉市
    • Year and Date
      2007-05-22
    • Description
      「研究成果報告書概要(和文)」より
  • [Presentation] A preliminary report on the seismic dense array for the seismic experiment 2006 in Asama volcano2007

    • Author(s)
      Morita, Y., Tsutsui, T., et. al.
    • Organizer
      Japan Geoscience Union meeting 2007
    • Place of Presentation
      Tokyo
    • Year and Date
      2007-05-22
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Seismic Pseudo Reflection Profiling s of shallow structure Beneath the central cones of Aso Volcano2006

    • Author(s)
      Tsutsui, T., et. al.
    • Organizer
      The volcanological society of Japan, 2006 Fall meeting
    • Place of Presentation
      Aso
    • Year and Date
      2006-10-24
    • Description
      「研究成果報告書概要(欧文)」より
  • [Presentation] Subsurface structure of Fuji volcano, inferred from the seismic experiment2006

    • Author(s)
      Tsutsui, T., et. al.
    • Organizer
      Japan Geoscience Union meeting 2006
    • Place of Presentation
      Tokyo
    • Year and Date
      2006-05-16
    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2010-02-04  

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