My model suggestion for volcanic activity

You know that my information blog about Anakratau Activity;

https://mybloginfrmtns.blogspot.com/2019/12/precious-locations-based-on-seismology.html

Where,we can take a information about volcanic activity locations on relation among black novacentre region as orthogonal with a increment region seismicity by my experiment.Thus,geometric expression maybe will be more clear;