Volcanoes Flashcards
1
Q
Volcanoes are found primarily a long plate margins especially around the edges of the pacific ocean where they form the Pacific ring of Fire give some facts about volcanoes
A
Diverging plate margins 75% of magma reaching the surface does so at these plate margins primarily a long mid ocean ridges
Convergent plate margins 80% of active volcanoes are on subduction zones eruptions can be violent providing hazardous if close to areas of habitation for example Mt St Helens eruption in 1980