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Case Study Volcanic Eruption Mt Etna
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Case Study Volcanic Eruption Mt Etna

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  • @AidenCHall They can be on destructive plate boundaries to but they are known as subduction volcanoes where as the ones on constructive boundaries are slide volcanoes
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  • Great Thx Last slide helped alot :)
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  • Hi ! Its a nice presentation but i the effects part you are wrong... there were no deaths!
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  • what? volcanoes are usually on constructive plate boundaries...
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  • thanks so much this has helped me so much! :)
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Transcript

  • 1. Case study Volcanic Eruption MEDC: Mt Etna, 2001.
  • 2. Location & Background Facts
    • Eruption occurred in Sicily an island in Italy in July 2001
    • Located on a destructive plate boundary between the Eurasian & African plate.
    • Composite cone volcano.
  • 3. Why the eruption happened.
    • Eurasian plate is subducted under the African plate.
    • Friction causes the crust to melt and this forces it’s way up into the magma chamber.
    • Pressure builds up in the magma chamber and eventually is released as an explosion.
    • This causes gas & steam to escape, volcanic bombs, lava & pyroclastic flows.
  • 4. Social Effects
    • Holiday villas damaged
    • Towns and villages destroyed EG: Catania
    • People died
    • Vegetation destroyed
    • Animals killed
    • Habitats destroyed
    Environmental Effects
    • Orange groves & vineyards wiped out in Zafferana.
    • Roads destroyed so hard to access area
    • Ski areas ruined
    • Farms destroyed & covered in ash
    • Airport forced to close due to ash on the runway.
    Economic Effects
  • 5. Responses
    • Immediate
    • Panic
    • People moved out of the area.
    • Villagers in Nicolosi prayed to reduce impact of eruption.
    • US army helicopters drop 2 tonne concrete blocks to stop lava flow
    • Earth dams are built to re-direct lava flow
    • 500kg mines exploded to divert lava.
    • Italian government gave £5.6m of aid.
    • Decision to shut airport on 29th July.
    • Long Term
    • Rebuilding damaged buildings
    • Scientists improve monitoring of volcano.
    • More planning of emergency services & evacuation plan.
    • Use tourism to generate money & income from the area.
    • Italian government gave tax breaks to help villagers get through the crisis.

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