Tectonics - Part 4 Flashcards
1
Q
How many people live in an active zone?
A
500 million
2
Q
Why do people live in active zones?
A
- Lava makes fertile soil
- High heat can generate geothermal energy
- Seismic events are often rare
3
Q
Give a case study of a Hazard Zone (Volcano)
A
Montserrat - Island in the Caribbean on 1995 & 1997
4
Q
What was the Population in Montserrat?
A
11,000
5
Q
What plates does Montserrat lie on?
A
Destructive Plate - North American & Caribbean Plates
6
Q
What were the Primary Effects?
A
- 19 people died
- Pyroclastic flows burned buildings & trees
- Ash buried 2/3 of the island
- 60% of housing was destroyed including the Capital City - Plymouth
7
Q
What were the Secondary Effects?
A
- Hospitals & Schools Closed
- Farming become impossible
- Coral reefs destroyed by ash
8
Q
What was the responses?
A
- 8000 people fled to the UK
- Uk given £55 million in aid by 2010
- Tourism is slowly returning
- People were evacuated to the North
