Paper 1 (Physical Geography) Flashcards
(72 cards)
How many volcanoes are on Iceland?
130
How often does a volcanic eruption take place on Iceland?
Every 5 years
Which 2 tectonic plates make up Iceland?
The North American plate
The Eurasian plate
What is the name of the plate boundary that Iceland sits on?
The Mid-Atlantic Ridge
What type of plate boundary is the Mid-Atlantic Ridge?
Constructive plate margin
How quickly is the Mid-Atlantic Ridge moving away from each other?
2.5cm/year
The same rate as fingernails
What is Iceland’s energy mix?
Completely green/renewable
- Geothermal energy (from heated rocks due to volcanoes)
- Hydroelectric energy (from many waterfalls)
What fuels all hot water in Iceland?
Geothermal energy
How expensive is Iceland’s energy compared to the UK
Around 1/3 of the cost of UK energy
Why do people want to live in Iceland?
- Cheap cost of living
- Environmentally-friendly energy
- Tourism (country is rich)
- Beautiful views
What fuels tourism in Iceland?
- Waterfalls
- Hot springs
- Geysers
- Lava fields
- Volcanoes
How much money does the tourism industry bring in for Iceland?
$1.3 billion/year
How is the risk of volcanic effects lowered in HICs (Iceland)?
- Earthquake-resistant buildings
- Monitoring (seismometers/thermal satellites)
- Evacuation schemes
- Risk assessments
- Drills
Which volcano erupted in 2010 in Iceland
Eyjafjallajökull
What were the impacts of the 2010 eruption in Iceland
Cancelled 100,000 flights across Europe due to intense ash discharge from the volcano
Where is Montserrat?
In the Caribbean islands
On what type of plate boundary does Montserrat lie?
Destructive plate margin
What is the capital of Montserrat?
Plymouth
What volcano erupted in Montserrat?
The Soufriere Hill Volcano
When did the volcano in Montserrat become active?
1995
How long had the volcano in Montserrat been dormant for before it erupted?
400 years
How much of Montserrat does the exclusion zone cover?
2/3 of the island, including Plymouth
What type of lava does Montserrat experience?
Viscous, acidic lava
What have been the environmental effects of the volcanic eruption in Montserrat?
- Destruction of coral reefs
- Further endangerment of the mountain chicken frog
- Forest and habitat damage