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Earth, Planets and Space
Fig. 13 | Earth, Planets and Space

Fig. 13

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. 13

Contour maps of FMR (left) and AMR (right) after the interpolation with the spatial resolution of 250 m by GMT (after Ito et al. 2021a). Note that FMR tends to have a stronger spatial variability with a smaller coherence distance, while AMR tends to have smaller spatial variability with a larger coherence distance. Larger AMR areas tend to be located inside large basins, while the larger FMR areas are located both inside and outside of the basins

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