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Fig. 12 | Earth, Planets and Space

Fig. 12

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. 12

Parametric study on the effect of the bottommost layer on the theoretical sEHVR for the best-fit model at MYG006 with 14 layers by Nagashima et al. (2014). When we omit the two layers in one step from the original velocity model (right), not only the amplitude of the lowest frequency peak but also the amplitudes of peaks and troughs in the higher frequency range are strongly affected (after Kawase et al. 2018)

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