1) Tsunamis are very large sea waves caused by intense earthquakes under the sea. 2) While tsunamis travel through the open ocean they are barely noticeable, but can grow to heights of 30 meters when they reach shorelines. 3) Tsunamis have the potential to completely submerge small islands and coastal regions, such as occurred at Indira Point on the Andaman and Nicobar islands.

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2. POWERPOINT PRESENTATION
AKHIL.S
SOCIAL SCIENCE
REG.NO – 13340002
F.M.T.C, MYLAPURE

3. TSUNAMI

4. Sea waves which can go very high are
called Tsunami.

5. Tsunami is a Japanese word
meaning harbor waves.

6. Tremors produced by intense earthquakes
that occur in the sea create gigantic waves.
Till it reaches the shore these waves are not
noticed because they are only about a matter
high.

7. and
rise up to 30 meter high.
2. These tsunami waves that travel
thousands of
kilometers in the sea without causing
any harm.
3. Some island may be totally disappear
due to this.
4. The disappearance of the Indira Point on
the
Andaman and Nicobar island can be
cited as an

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