Tsunami: the cause of terrible formation and destructive power that haunts mankind

Tsunamis are one of the most terrible natural disasters people have ever suffered. The consequences that the tsunami leaves are an obsession with humanity because of its tremendous destructive power.

1. Review the 10 most devastating disasters in human history
2. What is the biggest and most horrifying tsunami in modern history?

With a height of nearly 30m and only appearing near the coast, tsunamis can flatten houses, trees, swept anything, anyone misfortune within a 1km radius.

So, what causes the tsunami to be so destructive? Please see the video below for answers.