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

Xu, Z.; Juhlin, C.; Gudmundsson, O.; Zhang, F.; Yang, C.; Kashubin, A.; Lüth, Stefan

doi:10.1111/j.1365-246X.2012.05411.x

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

Authors

Xu, Z.
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Juhlin, C.
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Gudmundsson, O.
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Zhang, F.
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Yang, C.
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Kashubin, A.
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/persons/resource/slueth

Lüth, Stefan
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Xu, Z., Juhlin, C., Gudmundsson, O., Zhang, F., Yang, C., Kashubin, A., Lüth, S. (2012): Reconstruction of subsurface structure from ambient seismic noise: an example from Ketzin, Germany. - Geophysical Journal International, 189, 2, 1085-1102.
https://doi.org/10.1111/j.1365-246X.2012.05411.x

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_245600

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 CO2 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.