Natural disastersNatural disasters

Every year different natural disasters happenEvery year different natural disasters happen on our planeton our planet.

• EarthquakeEarthquake• HurricaneHurricane• TornadoTornado• VolcanoVolcano• FloodFlood• DroughtDrought• SSnow now

avalancheavalanche• TTsunamisunami

They destroy cities and towns, injure They destroy cities and towns, injure people and animals.people and animals.

EarthquakeEarthquake - a sudden tremors - a sudden tremors and vibrations of the earth's surface.It and vibrations of the earth's surface.It usually happens in Japan, China, India, usually happens in Japan, China, India, the USA, Armenia, Portugal.the USA, Armenia, Portugal.

Many animals Many animals (dogs, rats, cats) show (dogs, rats, cats) show signs of anxiety for a signs of anxiety for a few hours before the few hours before the earthquake. Local earthquake. Local residents in earthquake-residents in earthquake-prone areas rely on prone areas rely on these grounds.these grounds.

March 11, 2011 Japan ...March 11, 2011 Japan ...An earthquake off the coast of Honshu Island in Japan. This is An earthquake off the coast of Honshu Island in Japan. This is

the strongest earthquake in Japanese history. 15.840 people were the strongest earthquake in Japanese history. 15.840 people were killed, 3546 people are reported missing.killed, 3546 people are reported missing.

As a result of the earthquake there was an accident at a nuclear As a result of the earthquake there was an accident at a nuclear plant Fukushima. Japan's tragedy was a disaster for the world.plant Fukushima. Japan's tragedy was a disaster for the world.

HurricaneHurricane is a very strong wind, and the is a very strong wind, and the destructive force of considerable duration. Wind destructive force of considerable duration. Wind speed is above 30 m / s. It is also called a typhoon - speed is above 30 m / s. It is also called a typhoon - a vortex of low atmospheric pressure inside. This a vortex of low atmospheric pressure inside. This usually happens in Japan, China, Russia, America usually happens in Japan, China, Russia, America and the Philippines.and the Philippines.

The greatest damage in modern history brought The greatest damage in modern history brought hurricane "Katrina"hurricane "Katrina" in in 20052005. So it looked like . So it looked like from space.from space.

TornadoTornado - a monstrously narrow rotating - a monstrously narrow rotating column of air that extends from the sky to the column of air that extends from the sky to the ground. Wind is invisible, and therefore can not ground. Wind is invisible, and therefore can not always be considered a tornado. Dust and debris always be considered a tornado. Dust and debris in a tornado funnel makes it visible and indicate in a tornado funnel makes it visible and indicate the position of the tornado. Tornadoes are the the position of the tornado. Tornadoes are the most violent disaster. It usually happens in the most violent disaster. It usually happens in the USA.USA.

Natural disasters in the United States Natural disasters in the United States in 2011 caused record damage in the in 2011 caused record damage in the country. Tornado also often happen in country. Tornado also often happen in Argentina, Australia, southern Africa and Argentina, Australia, southern Africa and the United States.the United States.

The word "volcano" comes from the name of The word "volcano" comes from the name of the Roman god of fire Vulcan.the Roman god of fire Vulcan.

VolcanoVolcano is a hole in the earth's crust, through is a hole in the earth's crust, through which the great force fiery mixture of which the great force fiery mixture of gases,steam,ash and lava is thrown out to the gases,steam,ash and lava is thrown out to the surface . Vulcan eruption throws out huge chunks of surface . Vulcan eruption throws out huge chunks of lava severallava several kilometers from the crater.kilometers from the crater.

The main areas of The main areas of volcanic activity - volcanic activity - America, Java, the America, Java, the Japanese islands, the Japanese islands, the Kuril Islands, Alaska, Kuril Islands, Alaska, Hawaii, Iceland, the Hawaii, Iceland, the Atlantic Ocean.Atlantic Ocean.

Reunion IslandReunion Island

Many volcanoes are Many volcanoes are located on the seabed. Due located on the seabed. Due to the underwater to the underwater volcanoes the whole island volcanoes the whole island is formed.is formed. Reunion Island - Reunion Island - a volcanic island in the a volcanic island in the Indian OceanIndian Ocean.. The Hawaiian The Hawaiian Islands are also of volcanic Islands are also of volcanic origin.origin.

FloodingFlooding is is flooding the area as a result of rising flooding the area as a result of rising waters in rivers, lakes, seas because of the rains, rapid waters in rivers, lakes, seas because of the rains, rapid snow melt. This causes damage to human health and even snow melt. This causes damage to human health and even lead to their death, as well as causing damage to property.lead to their death, as well as causing damage to property.

TheyThey temporarily change the lifestyles of the population.temporarily change the lifestyles of the population. The population is usually evacuatedThe population is usually evacuated to safeto safe areas. The areas. The problem ofproblem of one country can be aone country can be a challengechallenge for the world.for the world.

Floods occur in many rivers in western Floods occur in many rivers in western Europe - the Danube, Seine, Po, as well as the Europe - the Danube, Seine, Po, as well as the Yangtze and the Yellow rivers in China, the Yangtze and the Yellow rivers in China, the Mississippi and theOhio in the Mississippi and theOhio in the U.S.A.U.S.A. Large floods Large floods occurred in the rivers the Dnieper (1931) and the occurred in the rivers the Dnieper (1931) and the Volga (1926).Volga (1926).

A A hailhail is a is a thundershower with thundershower with the particles of ice the particles of ice measuring from a measuring from a millimetre there are millimetre there are to a few to a few sentimetres. There sentimetres. There are hailstones are hailstones measuring from 13 measuring from 13 sm and by mass sm and by mass about 1 kg. A hail about 1 kg. A hail falls out usually in falls out usually in warm time of the warm time of the year. A year. A thundershower with thundershower with a hail inflicts a a hail inflicts a great damage to great damage to agriculture, agriculture, destroying sowing destroying sowing and vineyards.and vineyards.

Droughts Droughts are are prolonged absence prolonged absence of rain, which leads to drying of the of rain, which leads to drying of the earth and the destruction of plants. earth and the destruction of plants. People do not gather the harvest and People do not gather the harvest and will have a problem with food. In will have a problem with food. In severe drought periods may be natural severe drought periods may be natural fires in forests and grasslands. Many fires in forests and grasslands. Many animals are killed. Drought E is also animals are killed. Drought E is also considered a natural disasterconsidered a natural disaster..

A snow avalancheA snow avalanche is a sudden, swift, is a sudden, swift, increasing process of moving of snow on the slopes of increasing process of moving of snow on the slopes of mountains, hills and ravines. Snow avalanches are mountains, hills and ravines. Snow avalanches are observed in all mountain districts of the world. Very often observed in all mountain districts of the world. Very often a low little sound may occur the beginning of a avalanche. a low little sound may occur the beginning of a avalanche. Sometimes people perish under the thick layer of snow. In Sometimes people perish under the thick layer of snow. In a winter period they are the basic natural danger in a winter period they are the basic natural danger in mountains.mountains.

TsunamisTsunamis are giant destructive ocean waves. are giant destructive ocean waves. Tsunamis are formed as a result of undersea Tsunamis are formed as a result of undersea earthquakes of any strength. The tsunami comes earthquakes of any strength. The tsunami comes suddenly and cause casualties and severe suddenly and cause casualties and severe damage. Over 80% of tsunamis occur in the damage. Over 80% of tsunamis occur in the Pacific.Pacific.

The largest tsunami The largest tsunami occurred in occurred in 1958 May 91958 May 9, in , in Alaska. Wave height of Alaska. Wave height of this disaster reached 524 this disaster reached 524 meters. After flying at meters. After flying at speeds of 160 km / h the speeds of 160 km / h the area affected by the area affected by the tsunami do not have even tsunami do not have even the soil. This is the largest the soil. This is the largest recorded value, which was recorded value, which was entered in the Guinness entered in the Guinness Book of Records.Book of Records.