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disaster.ppt

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1、Natural disaster, like a major hurricane, a tsunami, an earthquake, a volcano eruption, a flood etc.,NATURAL DISASTER- EARTHQUAKE,There are many natural disasters in the world. Earthquakes are one of the most dangerous, over a million earthquakes occurs each year. Although some are too small to be n

2、oticed, others may cause damages, death and destruction. Earthquakes are caused by the movement of the Earths crust. The crust is made up of plates floating on mantle. When two plates push against each other, it causes earthquakes which may destroys towns or form new climates. If an earthquake happe

3、ns under the sea and causes huge waves, it is called a “tsunami“. A tsunami can sweep across oceans at the speed of 800 kilometers per hour. When an earthquake happens out in the open seas, the wave can only be about 1 meter high, but when it meets land, it may grow up to 30 meters high and can lead

4、 to enormous damage. For instance, a harbor on Okushiri Island, Japan, was destroyed by a tsunami in 1993. When an earthquake happens on land, it may cause more damage to buildings, harm, and death to humans,About 30 years ago, on the day July, the 28th, a terrible disaster suddenly happened in Tang

5、shan, and the beautiful Tangshan was removed from the map. This is Tangshan quake. Does anybody know something about Tangshan quake? S: people died, buildings were destroyed, and families were broken,earthquake,wenchuan earthquake,Tsunami,Japanese tsunami,Japanese tsunami,On 12 March 2012, a Japanes

6、e National Police Agency report confirmed 15,854 deaths,26,992 injured, and 3,155 people missing across twenty prefectures, as well as 129,225 buildings totally collapsed, with a further 254,204 buildings half collapsed, and another 691,766 buildings partially damaged. The earthquake and tsunami als

7、o caused extensive and severe structural damage in north-eastern Japan, including heavy damage to roads and railways as well as fires in many areas, and a dam collapse.Japanese Prime Minister Naoto Kan said, “In the 65 years after the end of World War II, this is the toughest and the most difficult crisis for Japan.“ Around 4.4 million households in northeastern Japan were left without electricity and 1.5 million without water,volcano,hurricane,Drought,

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