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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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Case Study Volcanic Eruption Mt Etna

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

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