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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Unified approach for evaluation of horizontal site amplification factors with special reference to history of studies on the effects of surface geology on seismic motion

Fig. 2

Theoretical 1D two-layered model on the top left, derived theoretical site amplification with respect to the normalized frequency on the bottom left, and deconvolution analysis at two sites with different damping factors for the alluvial site, Shinobugaoka on the top right, based on the observed weak motions on the bottom right (after Takahashi and Hirano 1941)

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