What Causes tsunami PPT?
Tsunami is a series of wave created when water is moved very quickly. Tsunami is gravity wave system, triggered by vertical disturbances in ocean.
How can you explain tsunami disaster?
What is a tsunami? A tsunami is a series of extremely long waves caused by a large and sudden displacement of the ocean, usually the result of an earthquake below or near the ocean floor. This force creates waves that radiate outward in all directions away from their source, sometimes crossing entire ocean basins.
What is tsunami and its causes and effects?
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.
What Causes tsunami PDF?
A. The interaction between the large tectonic plates, which make up the surface of the earth, causes the majority of the earthquakes. When the sea floor moves suddenly during an earthquake, it can displace the overlying water. When large areas of the sea floor are elevated or subside, a tsunami can be created.
What is the history of tsunami?
The oldest recorded tsunami occurred in 479 BC. It destroyed a Persian army that was attacking the town of Potidaea in Greece. As early as 426 BC, the Greek historian Thucydides inquired in his book History of the Peloponnesian War (3.89. 1–6) about the causes of tsunamis.
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 5 facts about tsunamis?
Fact 1: An underwater earthquake, a volcano eruption or a landslide mostly causes a tsunami. Fact 2: Only on very few occasions a tsunami is caused by a giant meteor in the ocean. Fact 3: Tsunami waves can be as huge as 100 feet. Fact 4: About 80% of the tsunamis occur in the Pacific Ocean’s Ring of Fire.
What are the 3 types of tsunamis?
Tsunami – Information Page
- 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.
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