The most destructive natural disaster in history isn't "Natural."The place antarctica. The ross ice shelf. A floating slab of solid ice the size of France, more than 3,000 feet thick. The event on thanksgiving weekend, s...The most destructive natural disaster in history isn't "Natural."The place antarctica. The ross ice shelf. A floating slab of solid ice the size of France, more than 3,000 feet thick. The event on thanksgiving weekend, six precisely placed nuclear warheads buried 2,000 feet beneath the ice detonate in sequence, shearing the ross shelf from the underwater rises that anchor it.