task 4 A caldera is created after a volcano erupts. The eruption blasts away the top of the volcano or causes it to collapse inward. The circular "dent" that results on top of the volcano is a caldera, which can be several kilometers wide. A caldera-causi

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task 4 A caldera is created after a volcano erupts. The eruption blasts away the top of the volcano or causes it to collapse inward. The circular "dent" that results on top of the volcano is a caldera, which can be several kilometers wide. A caldera-causing eruption is the most devastating type of volcanic eruption. It permanently alters the environment of the surrounding area.

Submitted by nishith on Tue, 02/04/2014 - 12:58
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