“I think we need a shelter.” “A shelter?” Chloe said. “Underground,” Bruce said. “During the period of peace we can build it without suspicion. When the judgments come, we wouldn’t be able to get away with anything like that.” “What are you talking about?” Buck asked. “I’m talking about getting an earthmover in here and digging out a place we can escape to. War is coming—famine, plagues, and death.”
Surely that will make people take us seriously.
I guess this is one of the more reasonable actions for people to take in an apocalypse story.