صور الزلزلات

موضوع: صور الزلزلات الخميس ماي 22, 2008 11:53 am

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Earthquakes can be caused by underground explosions or collapsing structures as well as by natural movements of the earth's plates.

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An earthquake can shatter our perspective of the ground we walk on as "rock solid."

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An earthquake's destructive power varies depending on the composition of the ground in an area and the design and placement of manmade structures.

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Highly developed areas built on loose ground material can suffer severe damage from even a relatively mild earthquake.

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Earthquakes can precipitate other natural disasters, such as avalanches and landslides.

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Surface waves are responsible for most of the damage associated with earthquakes, because they cause the most intense vibrations.

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Earthquakes that cause property damage are usually rated 5 or higher on the Richter Scale.

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It's important to design structures that can withstand the force of an earthquake, especially in quake-prone areas.

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Seismologists have had more success predicting locations of aftershocks than of initial earthquakes.

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The loss of home and belongings in an earthquake can be

[size=12]Destructive Earthquakes in China in the 20th Century in relation to the most recent earthquake of May 12, 2008 [size=7](modified graphic of Western Australia Un.)[/size][/size]

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