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- Презентація на тему «Tsunami» (варіант 2)
Презентація на тему «Tsunami» (варіант 2)
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Слайд #1
«Tsunami»
Olena ChornobaevaForm 11
Olena ChornobaevaForm 11
Слайд #2
Tsunami - long waves generated by the powerful influence of the whole mass of water in the ocean or other body of water.
Слайд #3
The reason most tsunamis are underwater earthquakes, during which there is an abrupt shift (raising or lowering) of the area of the seabed.
Слайд #4
The tsunami generated by an earthquake of any force, but large forces reach those that arise due to strong earthquakes.
Слайд #5
Earthquakes, volcanic eruptions and other underwater explosions, glaciers, meteorites and other damage above or below the water - all this has the potential to cause a tsunami.
Слайд #6
Symptoms of tsunami
Слайд #7
Sudden rapid withdrawal of water from the coast for a considerable distance and drying bed. The farther the sea receded, the above can be a tsunami wave. People on the beach and do not know about the danger may remain out of curiosity or to collect fish and seashells. In this case, as soon as possible to leave the coast and away from it at the maximum distance.
Слайд #8
Earthquake. The epicenter was located, as a rule, in the ocean. On the bank of the earthquake is usually much weaker, and it is often not at all.
Слайд #9
Unusual drift ice and other floating objects, cracking in the fast ice.
Слайд #10
Huge reverse faults at the edges of fast ice and reef education crowding and flow.