The violent wall of water swept away houses, cars and ships. Fires burned out of control. Power to a cooling system at a nuclear power plant was knocked out, forcing thousands to flee. A boat was caught in the vortex of a whirlpool at sea.

The death toll rose steadily throughout the day, but the true extent of the disaster was not known because roads to the worst-hit areas were washed away or blocked by debris and airports were closed.