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What is a tsunami? Mention its causes and characteristics. Also, describe the factors of destruction from tsunamis?

Topic: Salient features of world’s physical geography.

1. What is a tsunami? Mention its causes and characteristics. Also, describe the factors of destruction from tsunamis? (250 words)

Difficulty level: Easy

Reference: Insights on India

Why the question:

The question is part of the static syllabus of General studies paper – 1. UPSC asked Question related to Tsunamic in 2017

Key Demand of the question:

To write about to factors which lead to formation of Tsunami and its characteristics as well as its destructive impact.

Directive word: 

Describe – Give a detailed explanation of the process or impact

Structure of the answer:

Introduction: 

Write about Tsunami -Tsunami is a series of large waves of extremely long wavelength and period usually generated by a violent, impulsive undersea disturbance or activity near the coast or in the ocean.

Body:

Write about the various causes of Tsunami e.g. Earthquake, Rock fall, etc. Mention the characteristics of its waves, why it becomes so destructive near the shore. Write about three factors of destructions – Inundation, Wave Impact and Erosion. Also, give examples of few recent Tsunami including 2004 Indian Ocean

Conclusion:

Conclude by summarising the above.