Volcanoes

Question 1

Where are Volcanoes found

Answer 1

Volcanoes are found primarily along plate margins, especially around the edges of the pacific ocean where they form the ‘Pacific Ring Of Fire)

Question 2

What volcanoes occur at diverging plate margins

Answer 2

75% of magma reaching the surface does so at these plate margins, Primarily along mid-ocean ridges.

Question 3

What hazard do divergent volcanoes cause

Answer 3

Eruptions are normally non-violent and due to most of these volcanoes being in the deep ocean they present little hazard to people. The exception is where ocean ridges cross inhabited land such as Iceland

Question 4

Explain volcanoes at convergent plate margins

Answer 4

80% of active volcanoes are at subduction zones found along convergent plate margins.

Question 5

What hazards do convergent plate volcanoes have

Answer 5

Eruptions can be violent, proving hazardous to areas of habitation, such as Mt St Helens eruption in the cascade range in 1980