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Volcanic eruption

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Volcanic eruption

Post by sujin007 on Tue Nov 20, 2012 8:21 pm

A volcanic eruption is the point in which a volcano is active and releases lava and poisonous gasses in to the air. It is one of those most dangerous disaster ever seen..

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Re: Volcanic eruption

Post by sujin007 on Tue Nov 20, 2012 8:22 pm

They range from daily small eruptions to extremely infrequent supervolcano eruptions where the volcano expels at least 1,000 cubic kilometers of material.

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Re: Volcanic eruption

Post by sujin007 on Tue Nov 20, 2012 8:24 pm

Some eruptions form pyroclastic flows, which are high-temperature clouds of ash and steam that can travel down mountainsides at speeds exceeding that of an airliner.



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