Question

Complete 4 exercises presented in the annex about natural disasters.

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Answer 1

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Respuesta:

Earthquakes or earthquakes

natural disasters

Earthquakes or earthquakes are geological phenomena that consists of the sudden movement of the telluric layers of the Earth due to a fracture or landslide. The collision between the tectonic plates produces seismic waves that expand through the interior of the earth and only normalize when they manage to release all the energy of the movement and regain mechanical balance.

See also Earthquake or Earthquake.

Volcanic eruptions

natural disasters

Volcanic eruptions are geological phenomena that consist of the violent emission of material that comes from the interior of the Earth, transformed into lava and gases, as a consequence of the increase in the temperature of the magma.

See also Rash.

Tidal waves and tsunamis

natural disasters

A tidal wave is a seismic movement whose epicenter is located at the bottom of the ocean, which causes the sudden movement of the water mass. This seismic movement can be produced both by the collision of tectonic plates and by a volcanic eruption.

Tsunami is a word of Japanese origin that refers specifically to the phenomenon of expansion of a wave of gigantic proportions towards the shore, and it is always the consequence of a tsunami.

Therefore, all tsunamis are tidal waves, but not all tidal waves produce a tsunami. The tidal waves called as geological phenomena.

See also: Tsunami.

Landslides (mass movements)

natural disasters

In this category you can recognize the landslides of mass of materials, such as snow, ice, rocks, earth or vegetation that roll down a slope in an uncontrolled way, destroying everything in their path.

The following may be mentioned:

avalanches or avalanches, that is, slides of snow or ice, together with other materials that it carries;

landslides that often result from tremors, volcanic eruptions, or ground instability.

alluvium or mudslides or mud, which result from the action of the water that penetrates the ground.

See also Avalanche.

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