GCSE Geography AQA Mt St Helens Volcano Case Study
Case study of Volcano - Mt St Helens
- Created by: katie bayliss
- Created on: 06-05-13 13:10
View mindmap
- Mt St Helens Volcano
- Primary Effects
- 63 people were killed by the gas
- Hot ash and gas destroyed forests and logging camps
- mud flows of ash and water covered an extensive area surrounding the volcano
- Short Term Responses
- People were rehoused
- Roads and Bridges were repaired
- Long Term Responses
- The volcano is now more carefully monitored
- Tourism has increased boosting the local economy
- Soil fertility improved because of the ash deposits
- Secondary Effects
- Ash blocked rivers destroying fishing sites causing flooding
- Sediment ruined bourge transport on the Columbia River
- flooding destroyed crops, livestock, roads and bridges
- Primary Effects
Similar Geography resources:
Teacher recommended
Teacher recommended
Comments
Report