Tsunamis The Killer Waves of our world

What Can Tsunamis Do?

Tsunamis are giant waves which kill about 8000 people and affect 85000 people each year. In addition they cause damage to infrastructure and it costs up to 300 billion dollars to repair the damage they cause! Tsunamis can even reach up to 560 mph in the open ocean! Imagine one happening in your home town! You can find out if you check out the image below!

How Are Tsunamis Formed?

Now that we understand where tsunamis are formed and what they can cause we need to understand how the are formed.

What To Remember

Tsunamis are waves that are formed when a lot of energy is released underwater from a major underwater occurrence such as an earthquake,volcanic eruption or meteorite impact.

Undersea earthquakes occur at fault lines where earth's tectonic plates move up or down.

When tsunamis approach the coast they slow down but get bigger because they pick up more water as they move.

Tsunami waves are formed as the displaced water, which acts under the influence of gravity, attempts to find a stable position again.

How To prepare for a tsunami

Now that we now how tsunamis are formed and what they can do we need to figure out how to stop them.

First you need to find out if the place you are visiting has a high risk of tsunamis, if it does you should prepare. To prepare for a tsunami one good idea is to have a safe evacuation route preferably to a high mountain were the water can not reach you. Also, you should listen to radio warnings about tsunamis and follow instructions. Scientists are also working on technology to fight tsunamis and improve technology for detecting tsunamis. You can help by raising money for this research. For more information about tsunami preparation click the link down below.

History Of Tsunamis

One of the earliest tsunamis ever recorded happened when a Persian army attacked Greece. During the attack all of the water in the ocean disappeared so the army crossed but then all the water came back as a giant wave and killed the Persian army. The Greeks thought this was an act of their god Poseidon but it was really a tsunami.

A very famous tsunami which occurred during the 1755 Lisbon earthquake almost destroyed Portugal. It occurred on Saturday, 1 November, the holy day of All Saints' Day. In combination with subsequent fires and a tsunami, the earthquake almost totally destroyed Lisbon the capital of Portugal. Seismologists today estimate the Lisbon earthquake had a magnitude in the range 8.5–9.0. The death toll is not quite known but it is thought to be about 100000. This tsunami began the science of seismology.

Deadliest Recorded Tsunamis In History

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Created By
Andreas Constas-Malevanets
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Created with images by luisda75 - "waves tube surf" • hansol - "tsunami" • scym - "shield characters note" • luisda75 - "waves tube surf" • hansol - "tsunami" • scym - "shield characters note" • yisris - "Tsunami catastrophe" • yisris - "Tsunami catastrophe" • vidalia_11 - "Tsunami"

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