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  • Tsunamis are large waves that approach crashing on coasts due to seafloor movement, majorly associated with landslides or earthquakes.
  • The word “tsunami” gets its name from the Japanese “tsu” means harbor and “nami” means wave.
  • Tsunami is chain of huge waves created by disturbance created underwater.
  • These waves are normally associated with earthquakes taking place under or around the ocean.
  • Other causes of Tsunami may be submarine landslides, coastal rock falls, volcanic eruptions or extra-terrestrial collision.
  • Like many other natural disasters, it is difficult to predict tsunamis but it can be suggested that seismically active areas are more at risk. Tsunami waves are highly dangerous and generally look like strong walls of water.
  • The strong waves can attack seashore for hours, thereby destructing thousands of lives.