Disasters: Definition and Principles Flashcards
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Questions and Answers

What is the definition of a disaster?

A rare and unexpected event of severe magnitude, creating severe damage and casualties that overwhelm our ability to cope, requiring external help.

How does the WHO define a disaster?

A sudden ecological phenomenon of sufficient magnitude to require external assistance.

What is the UN's definition of a disaster?

A serious disruption of the functioning of a community or society due to hazardous events interacting with conditions of exposure, vulnerability, and capacity.

Which of the following are main features of a disaster? (Select all that apply)

<p>Magnitude/power</p> Signup and view all the answers

How does the classification of disasters depend on their size?

<p>Local</p> Signup and view all the answers

Name the types of disasters classified by the WHO?

<p>Natural, Man-made, Transport, and Other.</p> Signup and view all the answers

Which of the following are types of natural disasters? (Select all that apply)

<p>Cosmic</p> Signup and view all the answers

Which of the following are examples of man-made disasters? (Select all that apply)

<p>Chemical accidents</p> Signup and view all the answers

Study Notes

Disasters: Definition and Characteristics

  • Disasters are rare, severe events that cause significant damage and require external assistance.
  • WHO defines disasters as sudden ecological phenomena of sufficient magnitude to necessitate external help.
  • The UN defines a disaster as a serious disruption affecting community or societal functioning, leading to significant human, material, economic, and environmental losses.

Main Features of Disasters

  • Frequency of occurrence can vary among disasters.
  • Magnitude or power determines the severity of the impact.
  • Consequences include extensive property damage and threats to life and health.
  • A disparity exists between required and available resources for disaster response.
  • External assistance is often essential to manage the aftermath.

Classification of Disasters

  • Classified by the size of the damaged area: local, regional, or global.
  • Classified by casualties: moderate (25-100), medium (100-1000), and large (>1000).
  • Continuance classification indicates duration: short (up to 1 hour), medium (up to 24 hours), prolonged (>24 hours).

WHO and Bulgaria Disaster Classification

  • WHO classifies disasters based on origin into four categories:
    • Natural
    • Man-made
    • Transport-related
    • Other types

Types of Natural Disasters

  • Meteorological: storms, hurricanes, tornadoes, cyclones, extreme weather conditions.
  • Topological: floods, landslides, avalanches that alter landforms.
  • Tectonic: earthquakes and volcanic eruptions occurring beneath the Earth's surface.
  • Cosmic: disasters resulting from space objects, such as comets or meteors.

Types of Man-made Disasters

  • Large industrial failures can include chemical leaks or explosions.
  • Socio-economic disasters involve financial crises, terrorism, famine, and social unrest.
  • Wars that do not involve weapons of mass destruction.
  • Transport accidents encompass various modes, including road, air (plane crashes), maritime (shipwrecks), and railway (train accidents).

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Description

Explore key definitions and classifications of disasters through this flashcard quiz. Understand what constitutes a disaster and the principles surrounding their management. Perfect for students seeking to grasp the essential concepts in disaster studies.

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