Two sets of Io's volcanic features locations adopted from previous publications, fitted and filtered for the comparision with interior convection dynamics. Set-1 ('active'): Based on active hot-spots (de Kleer et al. 2019, Mura et al. 2020, Davies et al., 2015) Set-2 ('hamilton'): Based on data set 1 and 2 in supplementary material of Hamilton et al, 2013)