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==Classification==
==Classification==
Wisner et al reflect a common opinion when they argue that all disasters can be seen as being human-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.<ref name=atrisk>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</ref>
For more than a century researchers have been studying disasters and for more than forty years [[disaster research]] has been institutionalized through the Disaster Research Center. Wisner et al reflect a common opinion when they argue that all disasters can be seen as being human-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.<ref name=atrisk>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</ref>
Hazards are routinely divided into natural or human-made, although complex disasters, where there is no single root cause, are more common in [[developing country|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 [[flood|flooding]].
Hazards are routinely divided into natural or human-made, although complex disasters, where there is no single root cause, are more common in [[developing country|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 [[flood|flooding]].


Revision as of 17:02, 8 September 2008

For other uses, see Disaster (disambiguation).

A disaster is the impact of a natural or human-made hazard that negatively affects society or environment. The root of the word disaster comes 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 consequence of inappropriately managed risk. These risks are the product of hazards and vulnerability. Hazards that strike in areas with low vulnerability are not considered a disaster, as is the case in uninhabited regions.[1]

Developing countries suffer the greatest costs when a disaster hits – more than 95 percent of all deaths caused by disasters occur in developing countries, and losses due to natural disasters are 20 times greater (as a percentage of GDP) in developing countries than in industrialized countries.[2]

A disaster can be defined as any tragic event that involves at least one victim of circumstance, such as an accident, fire, terrorist attack, or explosion.[citation needed]

Classification

For more than a century researchers have been studying disasters and for more than forty years disaster research has been institutionalized through the Disaster Research Center. Wisner et al reflect a common opinion when they argue that all disasters can be seen as being human-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.[3] 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.

Natural disasters

Main article: Natural disaster

A natural disaster is the consequence when a natural hazard (e.g., volcanic eruption or earthquake) affects humans. Human vulnerability, caused by the lack of appropriate emergency management, leads to financial, environmental, or human impact. 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.

Human-made disasters

Main article: Man-made hazards

Disasters caused by human action, negligence, error, or involving the failure of a system are called human-made disasters. Human-made disasters are in turn categorized as technological or sociological. Technological disasters are the results of failure of technology, such as engineering failures, transport disasters, or environmental disasters. Sociological disasters have a strong human motive, such as criminal acts, stampedes, riots, and war.

Management

Main articles: Emergency management and Business continuity planning

Risks of hypothetical future disasters

Template:Unencyclopedic

Main article: Risks to civilization, humans and planet Earth

See also

The Wikibook History has a page on the topic of: Historical Disasters and Tragedies

Notes

  1. ^ 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
  2. ^ World Bank
  3. ^ 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

References

  • 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
  • G. Bankoff, G. Frerks, D. Hilhorst (eds.) (2003). Mapping Vulnerability: Disasters, Development and People. ISBN 1-85383-964-7.
  • D. Alexander (2002). Principles of Emergency planning and Management. Harpended: Terra publishing. ISBN 1-903544-10-6.

United States

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