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What is the tsunami?
Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.
What are the effects of tsunami UPSC?
Loss of life and property – Tsunamis can have devastating effects on life and property. This large displacement of water destroys housing and infrastructure in the areas affected by it. Many people lose their lives.
What is tsunami and types of tsunami?
A Tsunami is a series of sea waves commonly generated by under-the-sea earthquakes and whose heights could be greater than 5 meters. It is erroneously called tidal waves and sometimes mistakenly associated with storm surges.
What are the 3 types of tsunamis?
Distant tsunami: Are generated from a long way away, such as from across the Pacific in Chile. Regional tsunami: Are generated between one and three hours travel time away from their destination. Local tsunami: Are generated very close to New Zealand.
What causes a tsunami *?
Tsunamis are caused by violent seafloor movement associated with earthquakes, landslides, lava entering the sea, seamount collapse, or meteorite impact. The most common cause is earthquakes.
What is a tsunami 5 facts?
Tsunami facts for kids Tsunami is a Japanese word that means ‘Harbour Wave’. Approximately 80% of tsunamis happen inside the Pacific Ocean’s ‘Ring of Fire’. An earthquake or volcano could cause a tsunami. Tsunamis can go about as fast as 500 miles (805 kilometres an hour), nearly the same speed as a jet plane.
What is tsunami short essay?
Tsunami is a phenomenon where a series of strong waves that are responsible for the surge in water sometimes reach the heights in many meters. This is a natural disaster that is caused due to the volcano eruption in the ocean beds. Also, a phenomenon like landslides and earthquakes contributes to reasons for a tsunami.
What is the introduction of tsunami?
A tsunami is a series of long waves generated by a large and sudden displacement of the ocean. Large earthquakes below or near the ocean floor are the most common cause, but landslides, volcanic activity, certain types of weather, and near earth objects (e.g., asteroids, comets) can also cause a tsunami.
What are the 4 stages of a tsunami?
A tsunami has four general stages: initiation, split, amplification, and run-up. During initiation, a large set of ocean waves are caused by any large and sudden disturbance of the sea surface, most commonly earthquakes but sometimes also underwater landslides.
What is tsunami class 11th?
Tsunami is waves caused by a sudden movement of the ocean surface due to earthquakes, landslides on the sea floor, land slumping into the ocean, large volcanic eruptions or meteorite impact in the ocean. It destroys human life and livelihood and also causes the loss of natural resources.