how a tsunami is occurs

Tsunamis

A tsunami is a series of waves generated in an ocean or other body of water by a disturbance such as an earthquake, landslide, volcanic eruption, or meteorite impact. ... Undersea earthquakes, which typically occur at boundaries between Earth's tectonic plates, cause the water above to be moved up or down.

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What is the purpose of tsunamis?

           The formation of a tsunamiA tsunami is a series of large waves generated by an abrupt movement on the ocean floor that can result from an earthquake, an underwater landslide, a volcanic eruption or - very rarely - a large meteorite strike. However, powerful undersea earthquakes are responsible for most tsunamis.

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              How do you measure tsunami?Tsunamis are also measured at sea using tsunami buoys that collect data about changes in water levels through underwater pressure gauges. These measurements establish an early warning system, giving scientists the ability to predict the height of the waves and when they are expected to reach shore.

Ins Instruments used for measuring tsunamis

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The most deadliest tsunamis

Possibly the largest earthquake in recorded history occurred on May 22, 1960 off the coast of Chile. The earthquake registered 9.5 on the Richter scale and sent 80 foot waves pounding into the shore of Chile only 15 minutes after the earthquake occurred. 1960 off the coast of Chile. The earthquake registered 9.5 on the Richter scale and sent 80 foot waves pounding into the shore of Chile only 15 minutes after the earthquake occurred. And it caused up to 6 000 deaths.

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The second most deadliest tsunami

The earthquake that caused the infamous Indian Ocean tsunami of 2004 registered a 9.1 in magnitude and was said to have the energy of 23,000 atomic bombs. This extreme rupture caused massive tectonic plate movement, which caused other secondary faults to occur and expose an entirely new oceanic trench. These secondary faults elevated the height and speed of the generated waves.

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The third most deadliest tsunami

The destructive force of this tsunami lands it on this list. It traveled 120 km into the Chinese mainland, killing over 40,000 people in the process. The tsunami itself was caused by a tectonic earthquake on the ocean floor and it destroyed many crops and farming areas. Other outside information concerning the damage done is unknown.

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The fourth most deadliest tsunami

A earthquake of 8.4 magnitude which caused 25 meter waves to engulf the coastal regions of Kyushyu, Shikoku, Honshin and Osaka in 1707. The waves of the tsunami extended several kilometers inland and as many as a dozen occurred over a one hour period. A total of 30,000 people died as a result of the tsunami.

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The fifth most deadliest tsunami

The Sanriku earthquake of 1896 was one of the most destructive earthquakes to ever hit Japan. It registered an 8.5 in magnitude and caused two large tsunami waves which caused 27,000 deaths.

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EXTRA VIDEOS ABOUT TSUNAMIS :)

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