Natural Disasters
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Natural Disasters

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Natural Disasters Presentation Transcript

  • 1. Flood is an overflow of an expanse of water that submerges land. The EU Floods directive defines a flood as a temporary covering by water of land not normally covered by water. In the sense of "flowing water", the word may also be applied to the inflow of the tide.
  • 2. Earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time.
  • 3. Tornado - is a violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud. Tornadoes come in many shapes and sizes, but are typically in the form of a visible condensation funnel, whose narrow end touches the earth and is often encircled by a cloud of debris and dust.
  • 4. Volcanic eruption is the troop landing on the earthly surface of incandescent wreckages, ash, exposure of lava. Volcanic eruption can last from a few hours to many years.
  • 5. Fire is the uncontrolled burning out of the special hearth, which results in financial harm. Reasons of origin of fires is a careless conduct of people with a fire, violation of rules of fire safety, natural phenomena (lightning, drought).
  • 6. Typhoon is a variety of tropical cyclone, which is typical for north-western part of the Pacific ocean. The area of activity of typhoons, on which the third part of incurrence of tropical cyclones is on Earth, is celled between the coast of East Asia westering, by an equator on a south and line of change of date on east
  • 7. An avalanche is enormous mass of snow which breaks away from a slope and rolls downward with high speed. An avalanche buries people, takes buildings, damages roads. A hit in an avalanche more frequent all results in a mortal result.
  • 8. Tsunamis water-wave which inundates a bay) are waves, long more than 500 mcodes, which appear atsea or in an ocean usually as a result of earthquakes (falling an asteroid and others like that) and engulf all layer of water
  • 9. Drought is failing or absence of fallouts during the protracted period of time at enhanceable temperatures and decline of humidity of air, as a result the supplies of moisture disappear in soil.
  • 10. Hunger is the state of man, in which it does not have the meal for healthy life.