Podcast
Questions and Answers
What is the formula that represents the occurrence of a disaster?
What is the formula that represents the occurrence of a disaster?
- Hazard - Capacity = Disaster
- Vulnerability / (Hazard + Capacity) = Disaster
- Capacity + Vulnerability + Hazard = Disaster
- (Vulnerability + Hazard) / Capacity = Disaster (correct)
Which of the following is NOT a type of natural hazard?
Which of the following is NOT a type of natural hazard?
- Earthquake
- Flood
- Industrial accident (correct)
- Cyclone
Which of these challenges is expected to increase the severity of disasters?
Which of these challenges is expected to increase the severity of disasters?
- Climate change (correct)
- Urban planning
- Global peace
- Stable economic conditions
Which of the following best describes a technological hazard?
Which of the following best describes a technological hazard?
What factor does NOT contribute to the occurrence of a disaster?
What factor does NOT contribute to the occurrence of a disaster?
Flashcards
Disaster
Disaster
A sudden event that disrupts a community, causing significant losses that exceed coping abilities.
Types of Disasters
Types of Disasters
Categories include natural hazards (like earthquakes) and human-made hazards (like industrial accidents).
Natural Hazards
Natural Hazards
Events such as earthquakes, floods, and wildfires that occur due to natural processes.
Human-made Hazards
Human-made Hazards
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Disaster Equation
Disaster Equation
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Study Notes
Disaster Definition
- A disaster is a sudden, calamitous event severely disrupting a community or society
- Causes substantial human, material, and economic/environmental losses
- Losses exceed the community's/society's capacity to cope using its own resources
- Can be caused by nature (often), or humans
- Disaster = (Vulnerability + Hazard) / Capacity
Types of Disasters
- Natural Hazards:
- Geophysical: Earthquakes, landslides, tsunamis, volcanic activity
- Hydrological: Avalanches, floods
- Climatological: Extreme temperatures, drought, wildfires
- Meteorological: Cyclones, storms, wave surges
- Biological: Disease epidemics, insect/animal plagues
- Technological/Man-Made Hazards:
- Complex emergencies/conflicts, famine, displaced populations
- Industrial accidents, transport accidents
- Environmental degradation, pollution, accidents
- Occur in or close to human settlements
Disaster Occurrence
- A disaster happens when hazards impact vulnerable populations
- This is caused by: Hazards, vulnerability, and inability to reduce negative risks
Contributing Factors to Increased Disaster Risk
- Climate change, unplanned urbanization, under-development/poverty
- Threat of pandemics
- These factors lead to increased frequency, complexity, and severity of disasters.
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