Aid and volcanoes Flashcards
Give 5 examples of long term aid
- safe removal of dead bodies
- clear airport runways
- rebuild homes
- rebuild hospitals and schools
- clear debris (from roads)
Give 5 examples of short term aid
- temporary shelter
- clean and safe water supplies
- emergency food supplies
- first aid
- blankets
Composite volcanoes normally have ——- eruptions
Pyroclastic
Huge —– flows come from erupting shield volcanoes
Lava
Why do 5 million people live near active volcanoes?
- they produce fertile soil
- they contain valuable minerals
- geothermal resources
- scenic beauty
- tourism (geysers)
- health benefits
What ash cloud caused planes to be grounded?
Eyjafjallajokull, Iceland
Name 4 things a volcanic eruption can cause
Tsunamis
Earthquakes
Lahars- mudslides
Pyroclastic flow (500km/hr over 1000c)
Name 6 effects volcanic eruptions have on humans
Loss of life Airplanes can't fly Spread of disease Shortage of water, food and shelter Economic/ social problems People forced to migrate
Name 5 effects volcanic eruptions have on landscape
- buildings and farmland covered
- electricity poles brought down
- road blockages
- Krakatoa cloud circles around world reducing temperatures
- devastating mudslides
Name the 3 stages of planning for an eruption
Evacuation
Mapping
Engineering
Name 4 things to prepare for the eruption
- creating an exclusion zone
- being ready to evacuate residents
- emergency supplies of food etc
- good communication
Name 5 ways that you can predict an eruption
1 tremors
2 ground temperatures rising
3 satellites measuring infra red radiation
4 emission of gases like sulphur dioxide
5 spirit level measures changes in shape of the mountain