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Impact scoring scale

Impact scoring scale (qualitative measures). This table explains the categories and scale of possible impacts on the community.

Level Descriptor Categories of impact Description of impact
1 Insignificant Health Insignificant number of injuries or impact on health
Social Insignificant number of persons displaced and insignificant personal support required
Economic Insignificant impact on local economy
Environment Insignificant impact on environment
2 Minor Health Small number of people affected, no fatalities, and small number of minor injuries with first aid treatment
Social
  • Minor damage to properties
  • Minor displacement of small number of people for <24 hours and minor personal support required
  • Minor localised disruption to community services or infrastructure for <24 hours
Economic Negligible impact on local economy and cost easily absorbed
Environment Minor impact on environment with no lasting effects
3 Moderate Health Sufficient number of fatalities with some casualties requiring hospitalisation and medical treatment and activation of MAJAX, the automated intelligent alert and notification system, in one or more hospitals
Social
  • Damage confined to a specific location, or to a number of locations, but requires additional resources
  • Localised displacement of <100 people for 1 -3 days
  • Localised disruption to infrastructure and community services
Economic Limited impact on local economy with some short-term loss of production, with possible additional clean-up costs
Environment Limited impact on environment with short-term or long-term effects
4 Significant Health Significant number of people affected, with multiple fatalities, multiple serious or extensive injuries, significant hospitalisation and activation of MAJAX procedure across a number of hospitals
Social
  • Significant damage requiring support for local responders from external resources
  • 100 to 500 people in danger and displaced for longer than 1 week. Local responders require external resources to deliver personal support
  • Significant impact and possible breakdown of delivery of some local community services
Economic
  • Significant impact on local economy with medium-term loss of production
  • Significant extra clean-up and recovery costs
Environment Significant impact on environment with medium to long term effects
5 Catastrophic Health Very large numbers of people affected with significant fatalities, large number of people requiring hospitalisation with serious injuries and long-term effects
Social
  • Extensive damage to properties and the built environment in affected area requiring major demolition
  • General and widespread displacement of >500 people for prolonged duration and extensive personal support required
  • Serious damage to infrastructure causing significant disruption to, or loss of, key services for prolonged period. Community unable to function without significant support
Economic
  • Serious impact on local and regional economy with some long-term, potentially permanent, loss of production with some structural change
  • Extensive clean-up and recovery costs
Environment Serious long-term impact on environment and/or permanent damage