Tsunami

1
Tsunami

• What does tsunami mean?
• "Tsunami" is a Japanese word which means "harbour
  wave. It is a series of extremely long waves
  traveling across the ocean. As the waves strike
  the shore, they may result in mass destruction
  and in may case loss of life.

2
Tsunami

• How is a tsunami wave different from a normal
  wave?
• The waves you see at the beach are created by
  wind blowing over the sea.
• Tsunami waves are usually the result of an
  earthquake under or near the ocean.

3
Tsunami

• How does a tsunami behave as it approaches land?
• When the waves of a tsunami approach land, the
  shallow water can increase the height of the wave
  from a meter or less to over 20 meters, however
  most tsunamis appear as an advancing tide.

4
Tsunami

• How long does it take a tsunami to reach land?
• A tsunami wave can travel at 500 miles an hour. 
  These waves can travel across the Ocean in less
  than one day.

5
Tsunami

• How many waves are there in a tsunami?
• A tsunami generally consists of a series of
  waves. Many people have lost their lives after
  returning home in between the waves of a tsunami,
  thinking that the waves had stopped coming.