EMP is very difficult to achieve. I have no concern about EMP being employed against the US by anybody but the Russians and the Chinese. And I don't think they're likely to nuke us.
Getting to an isolated place in the world is the last thing I'd do in whatever global catastrophe is in the national hysteria for 15 minutes. I'm hunkering down right here in town with all my neighbors and my CERT team and firefighters that we're associated with. If the disaster strikes here (I'm in the San Francisco Bay Area), here is where the aid will come.
> the strange "missile/plane/thing" off the coast of California
was identified, by the way. It's some scheduled flight that happens at that same time every day.