A tsunami is a large ocean wave that is caused by sudden motion on the ocean floor. This sudden motion could be an earthquake, a powerful volcanic eruption, or an underwater landslide. Tsunamis travel across the open ocean at great speeds and build into large deadly waves in the shallow water of a shoreline.
The effects of the tsunami damage, death, injury, millions of dollars in financial loss, and long lasting psychological problems for the inhabitants of the region .Injuries such as broken limbs and head injuries are caused by the physical impact of people being washed into debris such as houses, trees, and other stationary items.