Volcanoes Flashcards
Where is Eyjafjallajökull located?
Southern Iceland, on the mid-Atlantic ridge, 160km from capital Reykjavik.
When did the Eyjafjallajökull eruption occur?
started in March 2010 but entered more explosive phase on 14th April.
What was the magnitude of the eruption?
VEI 4
What were the causes of the eruption?
Convection Currents, located on a constructive plate boundary, was an active volcano, movement of plates on the mid-Atlantic ridge.
What were the primary impacts of the eruption?
Magma reaching surface, 8km high ash cloud.
What were the secondary impacts of the eruption?
Poor air quality, contamination of water, lack of sunlight, flooding, loss of £17 million a day in London for their tourist industry due to ash cloud suspending air travel.
What were the immediate responses to the eruption?
Flights cancelled, 313 airports closed, farms evacuated, Evacuation of local area.
What were the long-term responses to the eruption?
Icelandic residents teaching people how to say “Eyjafjallajökull”.
On which types of plate boundaries can volcanoes form on?
Constructive and destructive
What is lava and magma?
Lava is magma on the surface of the earth’s crust and magma is lava below the earth’s crust.
Give an example of a country that is on the Pacific Ring of fire.
Japan, Indonesia, eastern Australia, Western America, Western south America.
What are the 2 types of Volcano?
Composite and Shield volcanoes. Composite are the more destructive
