Classification of volcanoes based on the shape

Volcanoes are caused by sudden movements occurring in the Earth’s interior. Classification of volcanoes based on the shape is discussed below

Classification of volcanoes based on shape:

Central volcano: This volcano is formed when debris and lava erupt out forming a symmetrical volcano.

Fissure volcano: This volcano throws out lava and fragments of rocks through fissures or cracks on the Earth’s surface. Instead of building a cone, the cracks distribute lava over a vast area. The Columbian Plateau was formed by a fissure eruption.

Shield volcano: When a volcano emits large quantities of hot lava, a large shield-like structure is spread over large parts of the Earth. Mauna Loa in Hawaii Islands is a shield volcano.

Conical volcano: Because of repeated eruptions, a volcano may acquire a cone-shaped structure. These volcanoes usually have steep slopes. A conical volcano is also known as a composite volcano. Mt Fuji in Japan is an example of a conical volcano.



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