I think expense & population not feasibility is why we don't have them dotted all over.
Surely an underground rock bunker would be exactly what they're looking for? Very "evil villain" aesthetic.
I'm dubious of claims of being overdue. How solid is the science backing those claims?
Well, the upside is if taupo goes, I should get a good view being only a few hours away ๐ฌ
Don't tell my wife I'm 5 7 ๐ญ