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Earth, Planets and Space
Fig. 8 | Earth, Planets and Space

Fig. 8

From: High-resolution three-dimensional azimuthal velocity anisotropy of S-waves in southern-central Japan, based on ambient noise tomography

Fig. 8

a–f The anisotropy recovery test based on the isotropic S-wave velocity model without anisotropy (background color in Fig. 6) at discrete depth levels. Since the model has no anisotropy (only spatial variation of S-wave velocity), we expect no anisotropy in this results. The minor magnitude of azimuthal anisotropy compared to the estimated anisotropy (bars in Fig. 6) demonstrates the effectiveness of the inversion method used for anisotropy analysis

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