Whole-mantle P-wave isotropic and anisotropic tomography beneath Japan and adjacent regions
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Dear readers, A file named "Japan_ISO.dat" contains whole-mantle P-wave isotropic tompgraphy beneath Japan and surrounding regions. The data format is as follows:1st column: depth (km) (F8.2)2nd column: latitude (deg) (F8.2)3rd column: longitude (deg) (F8.2)4th column: dVp (%) (F8.2)5th column: Ray hit count (I8) These are values on grid points used for tomographic inversion. A file named "Japan_AAN_iso.dat" contains isotropic component of whole-mantle P-wave azimuthal anisotropy (AAN) tompgraphy beneath Japan and surrounding regions. The data format is as follows:1st column: depth (km) (F8.2)2nd column: latitude (deg) (F8.2)3rd column: longitude (deg) (F8.2)4th column: dVp (%) (F8.2)5th column: Ray hit count (I8) These are values on grid points used for tomographic inversion. A file named "Japan_AAN_ai.dat" contains anisotropic component of whole-mantle P-wave azimuthal anisotropy (AAN) tompgraphy beneath Japan and surrounding regions. The data format is as follows:1st column: depth (km) (F10.3)2nd column: latitude (deg) (F10.3)3rd column: longitude (deg) (F10.3)4th column: Anisotropic amplitude (%) (F10.3)5th column: Fast velocity direction (deg) (F10.3) These values are obtained by interpolation from the values at surrounding anisotropic grid points used for tomographic inversion. We hope it is useful to you. Kind wishes, Genti Toyokuni & Dapeng ZhaoTohoku University, JapanE-mail: toyokuni@tohoku.ac.jp Reference:Toyokuni, G., Zhao, D., & Takada, D. (2024).Whole-mantle isotropic and anisotropic tomography beneath Japan and adjacent regions.Journal of Geophysical Research: Solid Earth, under review.
