Mount St Helens
- Created by: JessicaMPascoe
- Created on: 20-05-19 09:31
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- Mount St Helens
- FACTS
- 57 killed
- 53 - exclusion zones
- USA - 1980
- VEI 5
- 57 killed
- IMPACTS
- Economic
- $1bn (USA)
- Tourism decreased
- Jobs created when tourism increased again
- Flights cancelled
- 15km2 of timber
- Ash clogged farm machinery
- $100m USA
- Environmental
- Lava flows and ash blocked rivers
- Flooding washed way roads & rial bridges
- Killed wildlife
- Destroyed ecosystems
- Ice & snow melted
- Lahars
- Soil fertility increases
- For farming
- Lava flows and ash blocked rivers
- Social
- 300km of main road
- Lahar
- 200 homes
- Crops destoryed
- Livelihood of farmers decreased
- 57 died
- Poisonous gases
- Electricity lines cut
- 300km of main road
- Economic
- HAZARDS
- 4.2 earthquake
- Lahar
- Destroyed ecosystems
- 7,000 animals
- All fish
- e.g. 12 million salmon
- Destroyed ecosystems
- Pyroclastic flow
- Sideways eruption
- RESPONSES
- Long Term
- Ash removed from roads
- $1m
- Monitoring
- Trees replanted
- Ash removed from roads
- Short Term
- Evacuation of exclusion zones
- Search & Resuce
- 130 people
- 2 million gas masks
- Emergency food, aid, shelter and clean water supplies
- Long Term
- FACTS
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