What nearly destroyed the village of Zafferana in 2001?
Lava flow
Is the population density near Etna high or low?
High
How thick was the layer of ash covering Icelandic fields after Eyjafjallajökull erupted?
About 15 cm
What are endogenous forces?
Forces from inside the Earth
A volcanic eruption can have catastrophic consequences depending on what two things?
Strength and length of the eruption
What do magma chambers underneath Etna do almost every year?
Empty themselves
What destroyed an important road during the Eyjafjallajökull eruption?
Meltwater
Why did 200 people and animals from 20 farms have to be evacuated in Iceland?
Because lava and meltwater destroyed the land
What makes volcanic soil so attractive for farming?
It is very fertile
Why are densely populated regions more vulnerable during eruptions?
Because more people, houses, and infrastructure are affected.
Name one type of land use around Etna.
Pasture/Fruit & vegetable cultivation/Woodland/Vineyards/City/Airport/Railways/Ski lifts
What threatens ski lifts and hotels on Etna?
Lava flows
Which Italian city’s airport often has to close because of Etna’s eruptions?
Catania
What does magma turn into when it erupts from a volcano?
Lava
The eruption of Eyjafjallajökull in 2010 closed airports all over Europe. True or false?
True
How many people live near Mount Etna?
About one million
Etna is the most active volcano in Europe. True or False?
True
Forces from inside the Earth can cause volcanic eruptions. What are they called?
Endogenous forces
How large was the uninhabited area covered by lava in Iceland?
About 3 km²
What natural feature lies on top of the Eyjafjallajökull volcano?
A glacier
When did the last eruption of Eyjafjallajökull take place?
From March till July 2010
What shoots high into the air during volcanic eruptions?
Ash