Question 14 Marks
Give information about tsunami in brief.
Answer
View full question & answer→'Tsunami' is a Japanese word. "Tsu' means a port and 'nami' means waves.
- When an earthquake with high intensity $17$ or more), or a volcanic eruption occurs on the bottom of the sea, or due to a oceanic landslide, large, powerful and long waves of unusual length occur on the sca surface, which are called "Tsunami'.
- Mostly the tsunami is caused due to the earthquake on the sea bottom. So the tsunami is also known as seismic ocean waves. When these seisınic sea waves
- rush from its place of origin towards the shore one after another, they become highly destructive.
- decreases near the coast; when its height increases, these tsunami waves move forwards like a wall of water an cause heavy damage. However, with the help of modern equipment, based the satellites, a tsunami can be anticipated. So the people of the probable area likely to be affected by a tsunami can be shifted timely and their casualities can be preventedih