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 |