Disaster

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A disaster (from Middle French désastre, from Old Italian disastro, from the Greek pejorative prefix dis- bad + aster star) is the impact of a natural or man-made hazard that negatively affects society or environment. The word disaster's root is from astrology: this implies that when the stars are in a bad position a bad event will happen.

In contemporary academia, disasters are seen as the effect of hazards on vulnerable areas. Hazards that occur in areas with low vulnerability are not considered a disaster, as is the case in uninhabited regions. (Quarantelli 1998)

Contents

Wisner et al (2004) reflect a common opinion when they argue that all disasters can be seen as being man-made, their reasoning being that human actions before the strike of the hazard can prevent it developing into a disaster. All disasters are hence the result of human failure to introduce appropriate disaster management measures. Hazards are routinely divided into natural or human-made, although complex disasters, where there is no single root cause, are more common in developing countries. A specific disaster may spawn a secondary disaster that increases the impact. A classic example is an earthquake that causes a tsunami, resulting in coastal flooding.

Main article: Natural disaster

A natural disaster is the consequence of when a potential natural hazard becomes a physical event (e.g. volcanic eruption, earthquake, landslide, tsunami) and this interacts with human activities. Human vulnerability, caused by the lack of planning, lack of appropriate emergency management or the event being unexpected, leads to financial, structural, and human losses. The resulting loss depends on the capacity of the population to support or resist the disaster, their resilience. This understanding is concentrated in the formulation: "disasters occur when hazards meet vulnerability". A natural hazard will hence never result in a natural disaster in areas without vulnerability, e.g. strong earthquakes in uninhabited areas. The term natural has consequently been disputed because the events simply are not hazards or disasters without human involvement. The degree of potential loss can also depend on the nature of the hazard itself, ranging from a single lightning strike, which threatens a very small area, to impact events, which have the potential to end civilization.

Main article: Man-made hazards

Disasters having an element of human intent, negligence, error or the ones involving the failure of a system are called man-made disasters. Man-made hazards are in turn categorised as technological or sociological. Technological hazards are results of failure of technology, such as engineering failures, transport accidents or environmental disasters. Sociological hazards have a strong human motive, such as crime, stampedes, riots and war.

Main articles: Emergency management and Business continuity planning

The probability of avoiding a disaster is greatly improved when those potentially affected by them implement mitigative action and develop emergency preparedness plans. The science of disaster management deals with this issue. Although the term disaster is subjective, it is often used in the developed world to refer to situations where local emergency management resources are inadequate to counteract the negative effects of the event (Quarantelli 1998). Business continuity planning focus on the particular application of disaster management in the commercial domain.

 This article may require cleanup to meet Wikipedia's quality standards.
Please improve this article if you can. (December 2007)
Main article: Risks to civilization, humans and planet Earth

Wikibooks
Wikibooks' [[wikibooks:|]] has more about this subject:
  • Lists
  • Lists organized by death toll

  • Barton A.H. (1969). Communities in Disaster. A Sociological Analysis of Collective Stress Situations. SI: Ward Lock
  • Catastrophe and Culture: The Anthropology of Disaster. Susanna M. Hoffman and Anthony Oliver-Smith, Eds.. Santa Fe NM: School of American Research Press, 2002
  • Quarantelli E.L. (1998). Where We Have Been and Where We Might Go. In: Quarantelli E.L. (ed). What Is A Disaster? London: Routledge. pp146-159
  • Word Detective
  • G. Bankoff, G. Frerks, D. Hilhorst (eds.) (2003). Mapping Vulnerability: Disasters, Development and People. ISBN 1-85383-964-7.
  • B. Wisner, P. Blaikie, T. Cannon, and I. Davis (2004). At Risk - Natural hazards, people's vulnerability and disasters. Wiltshire: Routledge. ISBN 0-415-25216-4.
  • D. Alexander (2002). Principles of Emergency planning and Management. Harpended: Terra publishing. ISBN 1-903544-10-6.

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