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Question

What is a Tsunami?


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Answer:

The term Tsunami means harbour wave. They can be represented as a wave series and the feature that distinguishes such waves is their long wavelength.

Tsunamis should not be mistaken with the wave produced by massive winds. A wind-generated wave persists for a few seconds, while Tsunami persists for minutes to hours. Tsunamis may be extremely damaging, which is not the wave generated by wind.

How Tsunamis generated?

  • Earthquakes cause tsunamis.
  • It should be observed that the sea floor’s vertical movement can produce these.
  • Landslides may also cause tsunamis and even volcanic activity.

How often do Tsunamis occur?

  • On average, a tsunami occurs in the Pacific Ocean every 15 years.
  • An example to take from India itself that was the Indian Coast tsunami on 26 Dec 2004.
  • It has caused immense damage to life and property.

Steps TO Mitigate

  • Efficient Management
  • Construction of walls as per Japan.
  • Planting trees by a village as a don in Tamil Nadu
  • Intense preparation for recovery and rehabilitation
  • Awareness among the masses

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