...Grumble, grumble... "Fault lines"... This has absolutely noting to do with your very astute point, but I really wish the term "fault line" hadn't somehow wo

...Grumble, grumble... "Fault lines"... This has absolutely noting to do with your very astute point, but I really wish the term "fault line" hadn't somehow wound up in popular culture. Faults are never lines. They're irregular surfaces that sometimes form lines at their intersection with the earth's surface (they also sometimes form circles or don't intersect the surface at all). ...Okay, I'll stop ranting about things that only geologists care about...