The first column in the provided text file for the S-wave velocity model represents the Latitude, second column is the Longitude, third column is the depth (after topography correction), the fourth column is the S-wave velocity.
We also provide the input text file for the parameters used in the inversion.
Funding
This work was supported by JSPS KAKENHI (Grant Numbers JP19K23544, JP20K04133, and JP20H01997).