Policies and practices for disaster risk management should be based on an understanding of disaster risk in all its dimensions.
Sendai Framework for Disaster Risk Reduction 2015-2030 – Priority 1
A dangerous event that may cause loss of life, injury or other health impacts, as well as damage and loss to property, infrastructure, livelihoods and services, social and economic disruption and, or environmental damage is known as a hazard.
The presence and number of people, property, livelihoods, systems or other elements in hazard areas, and so thereby subject to potential losses, is known as exposure.
The name given to the set of characteristics and circumstances of a community, system or asset that make it susceptible to the damaging effects of a hazard is vulnerability.
Computational risk modelling allows us to couple exposure data with vulnerability and hazard models to generate deterministic and probabilistic risk estimates.
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