The funny thing about life is, trouble never comes from where you expect it. You spend two months worried about interviewing for that big job promotion, then on your way there, you get attacked by a pack of wild dogs. That's just the way it goes.
So in terms of worldwide disasters, while Hollywood obsesses over asteroid strikes and earthquakes and whatever the fuck 2012 was about, don't be surprised if disaster comes in the form of one of these lesser-known calamities that you'd never even heard of. Until today, that is.