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Earth, Planets and Space
Fig. 12 | Earth, Planets and Space

Fig. 12

From: Estimation of source, path, and site factors of S waves recorded at the S-net sites in the Japan Trench area using the spectral inversion technique

Fig. 12

Example comparison of the site spectra obtained from the spectral inversions of mean spectra of X- and Y-component records (red lines) and spectra of X-component records (blue lines). The plots a, b, c, d, e, f, g, h, and i correspond to sites, namely, S2N14, S2N15, S2N16, S2N17, S2N18, S2N19, S2N20, S2N21, and S2N22, as indicated in each panel. See Fig. 11 for the location of the sites. The black lines denote the mean spectral ratios between the horizontal Y- and X-component records. The number of earthquake records (N) used for each site and the depth to the seafloor (D) are indicated in each plot

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