Tuesday, March 11, 2014

Vulnerability and Risk in disaster management

Human vulnerability is the extent to which an individual, community, sub-group, structure, service or geographical area is likely to be damaged or disrupted by the impact of a particular disaster hazard. The variety of factors that determine vulnerability include physical, economical, social,political, technical, ideological, cultural, ecological, institutional and organizational.
Vulnerability is the potential for experiencing loss.

Risk is generally defined as the expected impact caused by a particular phenomenon. It combines:
the likelihood or probability of a disaster happening and the negative effects that result if the disaster happens
Risk is hazard multiplies by vulnerability less the capacity of the population to cope.
Therefore, risk increases according to:
The potential impact of the hazard and
How vulnerable the affected populations are.
Risk is defined as the the probability of a damaging event or circumstance.

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