While all the lines in this geologic spider's web were active at some point, their "friction coefficient," to use the jargon of science, has increased as they have gradually been pushed together. The faults, in other words, become harder to push into motion over time. You could say that they get more and more stubborn as they age.
地層裡千刀萬割的斷層，過，但隨著時間逐漸擠壓緊密，套用術語就是「磨擦係數增加」，要擠動它很難，可以說越老越固執。