Volcan Chaiten May 2008 Volcanic eruption
- Created by: Bethrevise
- Created on: 11-03-14 19:27
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- Volcan Chaiten May 2008
- Responses
- Immediate
- 3,900 evacuated 2 days after
- 50 km exclusion zone around town
- Chilean officials distributed fresh water and protective masks
- Long term
- 2009 Feb 25 plans to rebuild Chaiten 10 km above Santa Barbara
- abandon town
- relocate and compensate residents
- April 20th president announced plans to rebuild Chaiten in existing area
- Mid Term
- government monthly stipend equivalent to $1,200 and $2,200 per family
- $300 above average incomes
- until relocated and back to work
- financial aid to small businesses
- 90 day freeze on payment of existing loans
- government monthly stipend equivalent to $1,200 and $2,200 per family
- Immediate
- Causes
- Between PACIFIC and S. AMERICAN PLATES
- above SUBDUCTION ZONE
- Between PACIFIC and S. AMERICAN PLATES
- SOUTH CHILE
- one of most economically advanced countries in S Amercia, but still in LEDW
- Stable, democratic government
- Effects
- Social
- 1 death
- Lahars + ash
- Communities cut off
- limited access
- Communities cut off
- Local hospitals treated for breathing difficulties
- 90% town = damaged
- 30% town = destroyed
- Damaged to aircraft and marine facilities hampered rescues
- Environmental
- May 14th, announced 90% flooded due to increased flows of Rio Chaiten
- eruption triggered polar storm
- heavy rain and ash blocked rivers = FLOODS
- eruption triggered polar storm
- Small no of asphyxiated cattle by ash
- agriculture is large part of economy
- 15cm ashfalls blocked rivers
- contaminated groundwater supplies
- May 14th, announced 90% flooded due to increased flows of Rio Chaiten
- Economic
- Several hundred domestic flights in Chile and Argentina cancelled
- dozens of international flights cancelled
- Several hundred domestic flights in Chile and Argentina cancelled
- Social
- Nature
- Rhyolotic Lava
- Lots of pyroclastics
- ash column = 30km high
- what
- 1st earthquake = late 30th April 2008
- eruption = May 1
- Ash and explosions = 2-8th May
- New dome generated 540,000m^2 area and contained 52millionm^3 of new material
- Column collapsed= vast amount of ash to the ground
- New dome generated 540,000m^2 area and contained 52millionm^3 of new material
- Ash and explosions = 2-8th May
- eruption = May 1
- 1st earthquake = late 30th April 2008
- Management
- Volcano = 'Low threat'
- last eruption = 9,400 years ago
- dormant when 10,000 years ago
- last eruption = 9,400 years ago
- Not actively monitored
- not many resources
- Not high priority
- only 4,000 residents
- Volcano = 'Low threat'
- Responses
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