How and when does a tsunami occur? Detailed answer

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How and when does a tsunami occur? Detailed answer

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How and when does a tsunami occur?

During a strong earthquake, the epicenter of which is located in the sea, giant waves often arise, propagating at high speed. In the open sea, in areas with great depth, ships are not afraid of them, but as they approach coastal shallow water, the wave height increases greatly, sometimes up to tens of meters.

At the same time, the ocean first recedes from the shores, exposing the bottom, and then rushes to the shore, sweeping away everything in its path. An example is the catastrophic tsunami in the Indian Ocean in 2005.

Only a timely warning of an impending disaster can help, from which you can escape on the hills, and sometimes on the upper floors of solid buildings.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

Who in the Middle Ages, having failed to conquer the castle, bought it?

In 1456, the Teutonic Order successfully defended the fortress of Marienburg, withstanding a siege by the Poles. However, the Order ran out of money, and there was nothing to pay off the Bohemian mercenary soldiers. This fortress was handed over to the mercenaries as a salary, and they sold Marienburg to the same Poles.

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Psychologists from the University of Bath in the UK, Tim Gamble (Tim Gamble) and Ian Walker (Ian Walker) found that a cyclist in a helmet is 30% more likely to risk than without it. Thus, the advantages of this type of protection against injuries are practically leveled, scientists say.

The study involved 80 cyclists. Some of them received special protective helmets, the rest - ordinary caps. For the sake of clarity, the participants were not told the purpose of the experiment, they believed that it tracked the movement of their eyes while riding using special equipment on the headgear.

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