8. Acknowledgements
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. I thank IRSC and IIEES networks for providing the seismic data. Figures plotted using Generic Mapping Tools (GMT) (http://gmt.soest.hawaii.edu/), Paraview software (https://www.paraview.org), and personal codes in Matlab environment (https://www.mathworks.com).