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What is a hazard?
A hazard is an event that threatens, or actually causes damage and destruction to people, their property, and settlements.
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What is a Natural hazard?
A natural hazard is one that is produced by environmental processes. These are things like storms, floods, earthquakes and volcanic eruptions.
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What sort of hazards are caused by people?
These are hazards such as industrial explosions, to nuclear warfare. These tend to be the outcomse of mishaps of techmnology.
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?What's the problem with categorising hazards
Some just go into different areas. For example, floods can be caused by tsunamis by earthquakes.
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What is risk?
Risk is the probability of a particular event happening and the scale of its possible damage. It is also what people take knowing that they are exposed to a natural event that might prove hazardous.
the greater the probability of the event happening the greater the risk.
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What is mitigation?
This is also known as adjustment. This is taking evasive, precautionary or evasive action to a hazard.
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Three aspects of hazards?
- Distribution - Where on earth?
- Frequency - How often?
- Scale - how serious?
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