Responses to volcanic eruptions case studies

  • Created by: EEC2145
  • Created on: 09-03-23 16:32
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  • Responses to Volcanoes case studies
    • AC - Japan
      • Anti-disaster councils are responsible for creating hazard maps showing the extent of expected damage.
        • They also devise evacuation routes for residents and tourists
      • Japan Meteorological Agency (JMA)
        • They admitted to the difficulty in creating an accurate forecast for phreatic explosions
        • Monitor 50 of the 110 active volcanoes around the clock (Ontake now included)
        • Assesses the risk level of monitored volcanoes and uses a scale to decide evacuation necessity
      • The government expanded surveillance, more detailed and timely dissemination (wide spread) of data and warnings on volcanic activities
      • Authorities still called for caution against possible eruptions in areas within a 2km radius of Ontake a year after the eruption
      • Japan Ground Self-Defense Force (JSDF) personnel and firefighters were deployed to rescue people trapped.
        • Helicopters were lifting survivors from the ash on the slopes
      • Japanese Prime Minister ordered the military to assist with the emergency rescue
      • Air space in the vicinity was closed as a precaution against the affects of the fine ash in the air
      • 11,000 rescue personnel, including over 500 military were utilised
      • Injured hikers were brought down to Kiso for medical help
      • Many hikers found shelter in the mountain huts and made use of the equipment there
    • EDC - Indonesia
      • >2500 people had to be moved to new, safer houses permanently
      • Red Cross offered aid as well as other organisations
      • Temporary shelters are available in safe zones in case of evacuation
        • People have been given hand held radios for up to date information
      • Danger area extended 20km from the mountain
        • >275,000 people living in this area had to flee their homes
      • Laws have been passed to prevent settlements on the highest slopes of Mt Merapi
      • 210 evac centres were set up
        • They were overcrowded with no privacy and poor sanitation
      • Has well trained and equipped emergency services.
        • 1600 people (volunteers and military) were part of the national aid response
      • The authorities cleared river channels of debris to reduce flooding risk and contain lahars
        • This debris was used in rebuilding houses and roads
      • Government has made money available to farmers to help replace their livestock
      • The National Agency for disaster Management has worked with unis to create lahar sensors and CCTV at high risk locations
      • Indonesia's geological hazard centre now monitor 60 volcanoes
  • Modifying loss
  • Modifying vulnerability
  • Modifying event


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