Volcaneos Flashcards
Where are volcanoes found
At destructive and constructive plate margins
What happens at a destructive plate margins
Oceanic plate goes under the continental plate because it’s more dense
How is a volcano formed
Oceanic plate moves to the mantle
A pool of magma is formed
Magma roses through vents
Magma erupts onto the surface forming a volcano
How is a volcano formed at a constructive plate margin
Magma roses up into the gals created by the plates moving apart to form a volcano
What is a hotspot
When volcano forms over parts of the mantle that are really hot
What can happen when a volcano erupts
Emits gases, lava, ash
Primary effects for a volcano
Crops are damaged
Water supply are contaminated when ash falls
People animals and plants are suffocated by volcanic gases
What are the secondary effects of a volcano
People left homeless
Damaged or destroyed businesses cause unemployment and loss of income
Tourism can be disrupted just after it happens
What are immediate responses for a volcano
Evacuate people before the eruption of it was predicted
Rescue people cut off by damage to roads or bridges
What are long term responses of a volcano
Repair and rebuild if possible or resettle
What are the advantages and disadvantages of volcanoes
Positive Tourism Gives of geo thermal energy Produces fertile soil Negative Lava flow Sea-a tusanimi can occur Damage tourism industry
