Having walked straight across the San Andreas a few times in my life, I’ve always thought it ridiculous to build right there.
I used to belong to the health club in the basement of the Captain Cook Hotel in Anchorage, which is built on the San Andreas Fault. Every day I got more antsy about it and finally dropped my membership; it became too creepy.
I’ve often wondered about that too, but througout history man has built cities on the remains of previous ones destroyed by earthquakes and volcanoes.
Seems to me if you know that rumbling mountain is a volcano it’s probably not a good idea to live there...ditto for earthquake zones, but they build there every time...