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Study on the non-uniform and non-isotropic inhomogeneous structure of the lithosphere by using short-period seismic waves

Research Project

Project/Area Number 19540435
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

SATO Haruo  Tohoku University, 大学院・理学研究科, 教授 (80225987)

Co-Investigator(Kenkyū-buntansha) YAMAMOTO Mare  東北大学, 大学院・理学研究科, 助教 (30400229)
Co-Investigator(Renkei-kenkyūsha) NISHIMURA Takeshi  東北大学, 大学院・理学研究科, 准教授 (40222187)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywords地震現象 / 不均質構造 / 散乱 / 島弧 / 地殻 / リソスフェア / マントル / 波動 / 地震波
Research Abstract

微小地震によって励起される短周期地震波の伝播特性を解析し, リソスフェアのランダム不均質構造の推定を行った. 順問題として, パルス波が伝播距離の増加と共に崩れ, 最大振幅が初動より遅れ, P波の場合にはトランスバース成分が励起されることを解明した. 逆問題として, 最大振幅遅延時間の解析からランダム不均質のスペクトル構造を推定する方法を構築し, 東北地方における解析から第4紀火山の下では不均質が強いことを明らかにした.

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (43 results)

All 2009 2008 2007 Other

All Journal Article (16 results) (of which Peer Reviewed: 15 results) Presentation (16 results) Book (9 results) Remarks (2 results)

  • [Journal Article] Time-lapse changes of seismic velocity in the shallow ground caused by strong ground motion shock of the 2000 Western-Tottori Earthquake, Japan2009

    • Author(s)
      Sawazaki, K., Sato, H., Nakahara, H. and Nishimura, T.
    • Journal Title

      as revealed from coda deconvolution analysis, Bull. Seismol. Soc. Am Vol.99, No.1

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Time-lapse changes of seismic velocity in the shallow ground caused by strong ground motion shock of the 2000 Western-Tottori Earthquake, Japan, as revealed from coda deconvolution analysis2009

    • Author(s)
      Sawazaki, K., H. Sato, H. Nakahara, and T. Nishimura
    • Journal Title

      Bull. Seismol. Soc. Am 99

      Pages: 352-366

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Direct simulation methods for scalar-wave envelopes in two-dimensional layered random media based on the small-angle scattering approximation2008

    • Author(s)
      Saito, T., Sato, H. and Takahashi, T.
    • Journal Title

      Commun. Comput. Phys 3

      Pages: 63-84

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of vector-wave velopes n -D random media aracterized by a nonisotropic Gaussian F based on the Markov approximation2008

    • Author(s)
      Sato, H.
    • Journal Title

      J. Geophys. Res 113

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Recursive formula for the peak delay time with travel distance in von Karman type non-uniform random media on the basis of the Markov approximation2008

    • Author(s)
      Takahashi, T., H. Sato and T. Nishimura
    • Journal Title

      Geophys. J. int 173

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of coda wave envelopes in randomly inhomogeneous elastic media in a half-space: single scattering model including Rayleigh waves2008

    • Author(s)
      Maeda, T. H. Sato and T. Nishimura
    • Journal Title

      Geophys. J. int 172

      Pages: 130-154

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis. of coda wave envelopes in randomly inhomogeneous elastic media in a half-space : single scattering model including Rayleigh waves2008

    • Author(s)
      Maeda, T., H. Sato, and T. Nishimura
    • Journal Title

      Geophys. J. Int 172

      Pages: 130-154

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Recursive formula for the peak delay time with travel distance in von Karman type non-uniform random media on the basis of the Markov approximation2008

    • Author(s)
      Takahashi, T., H. Sato, and T. Nishimura
    • Journal Title

      Geophys. J. Int 173

      Pages: 534-545

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of vector-wave envelopes in 3-D random media characterized by a nonisotropic Gaussian ACF based on the Markov approximation2008

    • Author(s)
      Sato, H.
    • Journal Title

      J. Geophys. Res 113

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Recursive formula for the peak delay time with travel distance in von Karman type non-uniform random media on the basis of the Markov approximation2008

    • Author(s)
      Takahashi, T.H. Sato and T. Nishimura
    • Journal Title

      Geophys. J. Int., 173

      Pages: 534-545

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of strength of heterogeneity in the lithosphere from peak amplitude analyses of teleseismic short-period vector P-waves2007

    • Author(s)
      Kubanza M., T. Nishimura and H. Sato
    • Journal Title

      Geophys. J. Int (doi : 10.1111/j.1365-246X.2007.03544.x)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 短周期地震波エンベロープの特徴と理論モデルの構築2007

    • Author(s)
      佐藤春夫
    • Journal Title

      月刊地球 29

      Pages: 2-7

    • Related Report
      2008 Final Research Report
  • [Journal Article] Envelope syntheses of cylindrical vector-waves in 2-D random elastic media based on the Markov approximation2007

    • Author(s)
      Sato, H. and M. Korn
    • Journal Title

      Earth Planets Space 59

      Pages: 209-219

    • NAID

      10024496895

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Synthesis of vector-wave envelopes in 3-D random elastic media characterized by a Gaussian autocorrelation function based on the Markov approximation : Spherical wave case2007

    • Author(s)
      Sato, H.
    • Journal Title

      J. Geophys. Res 112

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Strong inhomogeneity beneath Quaternary volcanoes revealed from the peak delay analysis of S-wave seismograms of microearthquakes in northeastern2007

    • Author(s)
      Takahashi, T., H. Sato, T. Nishimura and K. Obara
    • Journal Title

      Japan, Geophys. J. Int 168

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Direct simulation methods for scalar-wave envelopes in two-dimensional layered random media based on the small-angle scattering approximation2007

    • Author(s)
      Saito, T., H. Sato and T. Takahashi
    • Journal Title

      Commun. Comput. Phys. 3,

      Pages: 63-84

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Radiative transfer approach to the equipartition in scattering media2009

    • Author(s)
      Sato, H. and Yamamoto, M.
    • Organizer
      IASPEI General Assembly
    • Place of Presentation
      Cape Town, South Africa.
    • Year and Date
      2009-01-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Separation of scattering and intrinsic attenuation in the lithosphere of all Japan estimated from observations of HINET stations2009

    • Author(s)
      Carcole, E. and Sato, H.
    • Organizer
      IASPEI General Assembly
    • Place of Presentation
      Cape Town, South Africa.
    • Year and Date
      2009-01-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Radiative transfer approach to the equipartition in scattering media2009

    • Author(s)
      Sato, H. and M. Yamamoto
    • Organizer
      IASPEI General Assembly
    • Place of Presentation
      Cape Town, South Afric
    • Related Report
      2008 Annual Research Report
  • [Presentation] Simulation of vector-wave envelopes in 3-D random elastic media for non-spherical radiation source based on the stochastic ray path method2008

    • Author(s)
      Sawazaki, K., Sato, H. and Nishimura, T.
    • Organizer
      AGU Fall Meeting 2008
    • Place of Presentation
      San Francisco, California
    • Year and Date
      2008-12-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Temporal changes of seismic velocity of shallow structure associated with the 2000 Miyakejima Volcano activity as inferred from ambient seismic noise correlation analyses2008

    • Author(s)
      Anggono, T., Nishimura, T., Sato, H., Ueda, H. and Ukawa, M.
    • Organizer
      AGU Fall Meeting 2008
    • Place of Presentation
      San Francisco, California
    • Year and Date
      2008-12-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Envelope synthesis on the free surface of a random elastic medium based on the Markov Approximation2008

    • Author(s)
      Emoto, K., Sato, H. and Nishimura, T.
    • Organizer
      AGU Fall Meeting 2008
    • Place of Presentation
      San Francisco, California
    • Year and Date
      2008-12-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Ambient seismic noise correlation analyses for the 2000 Miyakejima Volcano activity2008

    • Author(s)
      Anggono, T., Nishimura, T., Sato, H., Ueda, H. and Ukawa, M.
    • Organizer
      ASC General Assembly and SSJ Fall Meeting 2008
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-11-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Synthesis of vector-wave envelopes on the free surface of a 3-D random medium based on the Markov approximation2008

    • Author(s)
      Emoto, K., Sato, H. and Nishimura, T.
    • Organizer
      ASC General Assembly and SSJ Fall Meeting 2008
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2008-11-26
    • Related Report
      2008 Final Research Report
  • [Presentation] Temporal Changes of Seismic Velocity of Shallow Structure Associated with the 2000 Miyakejima Volvano Activity2008

    • Author(s)
      Anggono, T.・西村太志・佐藤春夫・上田英樹・鵜川元雄
    • Organizer
      日本火山学会2008年秋期大会
    • Place of Presentation
      盛岡
    • Year and Date
      2008-10-13
    • Related Report
      2008 Final Research Report
  • [Presentation] Shallow seismic structure of Onikobe geyser, Miyagi Prefecture based on the analyses of active seismic experiment data2008

    • Author(s)
      Anggono, T.・西村太志・佐藤春夫・植木貞人
    • Organizer
      地球惑星科学関連学会2008年合同大会
    • Place of Presentation
      幕張
    • Year and Date
      2008-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] ランダム媒質の自由表面におけるベクトル波エンベロープの導出-マルコフ近似理論-2008

    • Author(s)
      江本賢太郎・西村太志・佐藤春夫
    • Organizer
      地球惑星科学関連学会2008年合同大会
    • Place of Presentation
      幕張
    • Year and Date
      2008-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 火山体構造探査データにみる地震波エネルギー伝播の拡散的性質2008

    • Author(s)
      山本希・佐藤春夫
    • Organizer
      地球惑星科学関連学会2008年合同大会
    • Place of Presentation
      幕張
    • Year and Date
      2008-05-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Diffusive characteristics of seismic energy revealed from a dense seismic observation at Asama volcano2008

    • Author(s)
      Yamamoto, M. and Sato, H.
    • Organizer
      Japan, EGU General Assembly 2008
    • Place of Presentation
      Vienna, Austria
    • Year and Date
      2008-04-15
    • Related Report
      2008 Final Research Report
  • [Presentation] Diffusive characteristics of seismic energy revealed from a dense seismic observation at Asama volcano, Japan2008

    • Author(s)
      Yamamoto, M. and H. Sato
    • Organizer
      EGU General Assembly
    • Place of Presentation
      Vienna, Austria
    • Related Report
      2008 Annual Research Report
  • [Presentation] Envelope synthesis of high-frequency seismic waves in the lithospheric inhomogeneity2007

    • Author(s)
      Sato, H.
    • Organizer
      AGU Fall Meeting
    • Place of Presentation
      サンフランシスコ市モスコーンセンター
    • Year and Date
      2007-12-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] Envelope synthesis of gh-frequency seismic waves in the thospheric inhomogeneity2007

    • Author(s)
      Sato, H.
    • Organizer
      AGU Fall eting 2007
    • Place of Presentation
      San Francisco, California.
    • Year and Date
      2007-12-04
    • Related Report
      2008 Final Research Report
  • [Book] Scattering of seismic waves in the heterogeneous "Earth(分担執筆), in Encyclopedia of Complexity and Systems Science (Ed. R. A. Mayers)"(印刷中)2009

    • Author(s)
      Sato, H.
    • Publisher
      Springer Verlag GmbH, Heidelberg
    • Related Report
      2008 Final Research Report
  • [Book] Scattering of seismic waves in the heterogeneous Earth(分担執筆), in "Encyclopedia of Complexity and Systems Science (Ed. R. A, Mayers)2009

    • Author(s)
      Sato, H.
    • Publisher
      Springer Verlag GmbH(印刷中)
    • Related Report
      2008 Annual Research Report
  • [Book] Seismic Wave Propagation and Scattering in the Heterogenous Earh(Second Print)2008

    • Author(s)
      Sato,H. and M.C.Fehler
    • Publisher
      Springer Verlag and AIP Press, New York
    • Related Report
      2008 Final Research Report
  • [Book] "Earth Heterogeneity and Scattering Effects on Seismic Waves"in Advances in Geophysics (Series Ed. R. Dmowska)2008

    • Author(s)
      Sato, H. and Fehler. M.C.
    • Publisher
      Academic Press
    • Related Report
      2008 Final Research Report
  • [Book] Earth Heterogeneity and Scattering Effects on Seismic Waves(Eds. H. Sato and M. Fehler)Advances in Geophysics (Series Ed. R. Dmowska)2008

    • Author(s)
      Sato, H. and Korn, M.
    • Publisher
      Academic Press
    • Related Report
      2008 Final Research Report
  • [Book] Seismic Wave Propagation and Scattering in the Heterogeneous Earth (Second Print)2008

    • Author(s)
      Sato, H. and M. C. Fehler
    • Total Pages
      308
    • Publisher
      Springer Verlag and AIP Press
    • Related Report
      2008 Annual Research Report
  • [Book] "Earth Heterogeneity and Scattering Effects on Seismic Waves" Advances in Geophysics (Series Ed. R. Dmowska), Academic Press, Amsterdam, Vol.502008

    • Author(s)
      Sato, H. and M. C. Fehler (Guest Eds.)
    • Total Pages
      476
    • Publisher
      Academic Press社
    • Related Report
      2008 Annual Research Report
  • [Book] Synthesis of vector-wave envelopes in random elastic media on the basis of the Markov approximation(分担執筆), in "Earth Heterogeneity and Scattering Effects on Seismic Waves(Eds. H. Sato and M. Fehler)", Advances in Geophysics(Series Ed. R. Dmowska)2008

    • Author(s)
      Sato, H. and M. Korn
    • Publisher
      Academic Press社
    • Related Report
      2008 Annual Research Report
  • [Book] Synthesis of Seismogram Envelopes in Heterogeneous Media, in "Advances in Wave Propagation in Heterogeneous Earth"Advanced in Geophysics2007

    • Author(s)
      Sato, H. and M. C. Fehler
    • Publisher
      Academic Press
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://zisin.geophys.tohoku.ac.jp/~sato/indes-j.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://zisin.geophys.tohoku.ac.jp/~sato/index.html

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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