Question

Explain three major zones of volcanic activities in the world.

Answer 1

There are three major zones of volcanic activities in the world. They are:

1. The Circum – Pacific belt
2. The Midcontinental belt
3. The Mid Atlantic belt

1. Circu m Belt: This is the volcanic zone of the convergent oceanic plate boundary. It includes the volcanoes of the eastern and western coastal areas of the Pacific Ocean.

2. Mid continental belt:

1. This is the volcanic zone of convergent continental plate boundaries that includes the volcanoes of Alpine mountain chains, the Mediterranean Sea, and the fault zone of eastern Africa.
2. The important volcanoes are Vesuvius, Stromboli, Etna, Kilimanjaro, and Kenya.

3. Mid Atlantic Belt:

1. This belt represents the divergent boundary of plates located along the mid-Atlantic ridges. Volcanoes of this area are mainly of fissure eruption type.
2. St. Helena and Azores Island are other examples.