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ICSE Class 9 Geography Question 6 of 15

Volcanoes — Question 13

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Question

Question 13

Classify volcanoes on the basis of their intensity of eruption.

Answer

On the basis of intensity of eruption, volcanoes are of three types:

  1. Active volcanoes — They constantly eject lava, gases and ash. For example- Sabancaya in Peru.
  2. Dormant volcanoes — They remain dormant but can suddenly erupt and again go dormant. For example- The Vesuvius volcano in Italy.
  3. Extinct volcanoes — They are volcanoes where there has been no volcanic activity since long. Their crater usually developes into a lake. For example- For example- Arthur's seat at Edinburgh in Scotland.