Question

Give an account tsunami.

Answer 1

1. The word Tsunami is a Japanese term meaning harbour waves.
2. It is adopted to describe large seismically generated sea waves caused by Earthquakes, submarine explosions, and landslides.
3. These waves travel at a great speed (more than 500 km/hr) and the length of the waves exceeds 600 kms.
4. These waves reach a height of more than 15 m near the seashore and are capable of causing destruction along the coastal area.
5. On 26th December 2004, a tsunami occurred in the Indian ocean.
6. It was the result of the Indio-Australian Plate subducting below the Eurasian plate.
7. lt was caused by an earthquake measuring a magnitude of above 9 in the Richter Scale.
8. The Earthquake caused the seafloor to uplift, displacing the seawater above.