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Human development has led humankind to idealise the elements of its own habitat and environment and the possibilities of interaction between them. In spite of confused perceptions about the notion of vulnerability, this expression has helped clarify the concepts of risk and disaster. For a long time, these two concepts were associated with a single cause: an inevitable and uncontrollable physical phenomenon. However, the conceptual framework of vulnerability was borne out of human experience under situations in which it was often very difficult to differentiate normal day-to-day life from disaster. Vulnerability may be defined as an internal risk factor of the subject or system that is exposed to a hazard and corresponds to its intrinsic predisposition to be affected, or to be susceptible to damage. In other words, vulnerability represents the physical, economic, political or social susceptibility or predisposition of a …