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英语课外活动演讲稿

发布时间:2020-03-04 01:25:50 来源:范文大全 收藏本文 下载本文 手机版

Now,i want to introduce the Earthquake distribution to you.

First,let\'s see the world earthquake distribution.There are three major seismic zone around the world:Circum-Pacific seismic belt,Eurasian seismic zone,Mid-ocean ridge seismic belt.

The first seismic zone is in the Pacific plate and the Americas plate, Eurasian plate, the demise of the Indian Ocean plate boundary.

The second zone is in Asia and Europe and African plates, the demise of the Indian Ocean plate boundaries.

Finally, Mid-ocean ridge seismic belt contains the world\'s three great oceans and the Arctic Sea stretches of mid-ocean ridge.

I think all of you have more interests in china.Then, i will show you china\'s Earthquake distribution.

China lies in the two major seismic zone in the world - circum-Pacific seismic belt and the intersection of the Eurasian seismic zone area by the Pacific Plate, the Indian Plate and the Philippine Sea plate extrusion.

Earthquake in China are mainly distributed in five regions: Taiwan, Southwest China, Northwest China, North China, the size of the southeast coastal seismic belt and 23.Qinghai-Tibet Plateau earthquake zone is one of the largest earthquake zone in China, but also the most intense seismic activity, large areas of frequent earthquakes.

In the five seismic zones, North China earthquake zone \'s intensity and frequency are after the \"the Tibetan Plateau Seismic Zone\", ranking the country second.You may be worried about your safety, but Hubei province is a fairly safe.

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英语课外活动演讲稿
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