CBSE BoardEnglish MediumSTD 7Social StudiesWater3 Marks
Question
Write a short note on Tsunami?
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Answer
Tsunami is a Japanese word that means “Harbour waves” as the harbours get destroyed whenever there is tsunami.
An earthquake, a volcanic eruption or underwater landslides can shift large amounts of ocean water.
As a result a huge tidal wave called tsunami, that may be as high as 15m., is formed. The largest tsunami ever measured was 150m. high. These waves travel at a speed of more than 700km. per hour.
The tsunami of 2004 caused wide spread damage in the coastal areas of India. The Indira point in the Andaman and Nicobar islands got submerged after the tsunami.
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