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    Reconstruction of subsurface structure from ambient seismic noise: An example from Ketzin, Germany

    Access Status
    Open access via publisher
    Authors
    Xu, Z.
    Juhlin, Christopher
    Gudmundsson, O.
    Zhang, F.
    Yang, C.
    Kashubin, A.
    Lüth, S.
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Xu, Z. and Juhlin, C. and Gudmundsson, O. and Zhang, F. and Yang, C. and Kashubin, A. and Lüth, S. 2012. Reconstruction of subsurface structure from ambient seismic noise: An example from Ketzin, Germany. Geophysical Journal International. 189 (2): pp. 1085-1102.
    Source Title
    Geophysical Journal International
    DOI
    10.1111/j.1365-246X.2012.05411.x
    ISSN
    0956-540X
    School
    Department of Exploration Geophysics
    URI
    http://hdl.handle.net/20.500.11937/44990
    Collection
    • Curtin Research Publications
    Abstract

    Passive seismic interferometry is a new promising methodology for seismic exploration. Interferometry allows information about the subsurface structure to be extracted from ambient seismic noise. In this study, we apply the cross-correlation technique to approximately 25 hr of recordings of ambient seismic noise at the Ketzin experimental CO 2 storage site, Germany. Common source gathers were generated from the ambient noise for all available receivers along two seismic lines by cross-correlation of noise records. This methodology isolates the interstation Green's functions that can be directly compared to active source gathers. We show that the retrieved response includes surface waves, refracted waves and reflected waves. We use the dispersive behaviour of the retrieved surface waves to infer geological properties in the shallow subsurface and perform passive seismic imaging of the subsurface structure by processing the retrieved reflected waves. © 2012 The Authors Geophysical Journal International © 2012 RAS.

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