France, 9th February 1999

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France, 9th February 1999

  1. 1. Avalanche ST
  2. 2. What is an avalanche??? <ul><li>An avalanche is a rapid flow of snow down a slope </li></ul><ul><li>Naturally triggered or human activity </li></ul><ul><li>Occurs in mountains </li></ul><ul><li>Avalanche mix of water and snow. </li></ul><ul><li>Powerful avalanches - ice, rocks, trees etc. </li></ul>
  3. 3. When did the avalanche happen??? <ul><li>9th February 1999 </li></ul>
  4. 4. Where did the avalanche happen??? <ul><li>The Alps, France </li></ul><ul><li>Off the Mount de Péclerey into Montroc village </li></ul>
  5. 5. The committees involvement <ul><li>Growing population – so risks were overlooked </li></ul><ul><li>New chalets were built on a known avalanche path. </li></ul><ul><li>Despite warnings, the committee decided not to evacuate </li></ul>
  6. 6. Why??? <ul><li>Weather triggered </li></ul><ul><li>3 days of snow + strong winds </li></ul>
  7. 7. What Happened??? <ul><li>30 hector broke off but grew as it went down the mountain </li></ul><ul><li>In the end 300,000 cubic metres of snow slid on a 30 degree slope </li></ul><ul><li>achieving a speed of 100 km/h (60 mph). </li></ul>
  8. 8. Effects of the avalanche??? <ul><li>Part of the forest, buildings, pylons were crushed. </li></ul><ul><li>It killed 14 people </li></ul><ul><li>14 buildings destroyed + 6 badly damaged. </li></ul>
  9. 9. The Mayor <ul><li>The mayor of Chamonix was convicted of second-degree murder for not evacuating the area, but received a suspended sentence. </li></ul>
  10. 10. Memorial Cross

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