Interferometric seismic imaging of crustal structure using scattered teleseismic waves

DOI Web Site Web Site 被引用文献10件 オープンアクセス
  • Susumu Abe
    Research and Development Department JGI, Inc. Tokyo Japan
  • Eiji Kurashimo
    Earthquake Research Institute University of Tokyo Tokyo Japan
  • Hiroshi Sato
    Earthquake Research Institute University of Tokyo Tokyo Japan
  • Naoshi Hirata
    Earthquake Research Institute University of Tokyo Tokyo Japan
  • Takaya Iwasaki
    Earthquake Research Institute University of Tokyo Tokyo Japan
  • Taku Kawanaka
    Research and Development Department JGI, Inc. Tokyo Japan

書誌事項

公開日
2007-10
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/2007gl030633
公開者
American Geophysical Union (AGU)

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説明

<jats:p>The deployment of a dense seismic array of portable broadband stations has presented a number of imaging opportunities using scattered teleseismic waves. Interferometric seismic imaging (ISI) of surface‐related multiple reflections extracted from cross‐correlations of teleseismic waves among pairs of receiver stations was investigated for possible applications and compared to receiver function(RF) method. Synthetic seismograms simulated by the elastic pseudospectral method for a simple 2‐D crustal model demonstrate the potential imaging capabilities of ISI for the Moho structure with high spatial resolution. ISI has also been applied to teleseismic data from dense‐array experiments conducted at the Northern Fossa Magna Basin in central Japan. The results indicate that the Moho phase, with positive polarity at a depth of 38–40 km in the ISI profile, is consistent with the lower crustal structure estimated by RF imaging.</jats:p>

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