Volcanic Eruption Case Study

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  • Created by: HLeiper
  • Created on: 08-04-14 17:23
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  • Volcanic Eruption (Montserrat 1997)
    • June 25th 1997
    • Large 4-5 million m3
    • 19 killed
    • Destructive Plate margin - Atlantic plate going under caribbean plate
    • Pool of magma formed underground, rock collapsed creating a vent
    • Primary Impacts
      • Large areas covered with volcanic material - 12m of mud and ask
      • 20 villages and 2/3 of homes destroyed - pyroclastic flow
      • Schools, hospitals and airports were destroyed
      • Vegetation and Farm land destroyed
    • Secondary Impacts
      • Fires destroyed government offices, police headquarters and petrol stations
      • Tourists stayed away - destroying the economy
      • Population decline - 8000 of the 12 000 in 1995
      • Volcanic ash improved soil fertility
      • Tourism on the island is now increasing as people come to see the volcano
    • Immediate responses
      • People evacuated safely
      • Shelters were built
      • Temporary infrastructure was built
      • UK provided £17 million
      • Local emergency services
    • Long-term responses
      • Risk map and exclusion zone - southern island off limits
      • UK provided £41 million to develop north f the island - new docks, airport and houses
      • Montserrat Volcano Observatory - predict future eruptions

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