Natural Hazards: Distribution & Risk — GCSE Geography Revision

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What is Natural Hazards: Distribution & Risk?

Natural hazards are extreme natural events that can cause loss of life, injury or property damage. The distribution of these hazards is uneven across the globe; some areas, like the Pacific Ring of Fire, experience frequent tectonic hazards, while others, such as the UK, are more prone to weather-related events like storms and floods. Risk is the probability of a hazard causing harm, which is influenced by factors like population density, level of development, and the effectiveness of prediction and protection measures.

Board notes: Covered by all major boards (AQA, Edexcel, OCR) at both Foundation and Higher tiers. The core concepts of hazard, risk, and distribution are fundamental to all specifications.

Worked example

Common mistakes

• 1Confusing hazard with disaster. A hazard is the natural event itself (e.g., an earthquake), while a disaster is the consequence of that event on a human population.
• 2Assuming all natural events are hazards. A volcanic eruption on an uninhabited island is a natural event, but not a hazard as it poses no risk to people.
• 3Thinking that the distribution of hazards is random. The location of most hazards is closely linked to physical processes, such as plate tectonics for earthquakes and volcanoes, or atmospheric circulation for tropical storms.

Natural Hazards: Distribution & Risk exam questions

Exam-style questions for Natural Hazards: Distribution & Risk with mark-scheme style solutions and timing practice. Aligned to AQA, Edexcel and OCR specifications.

Frequently asked questions

• What is the difference between a natural hazard and a natural disaster?

  A natural hazard is a potential threat from a natural event, like an earthquake or hurricane. It becomes a natural disaster when it actually happens and causes significant harm to a community, such as loss of life, injuries, and economic damage.

• Why are some countries more at risk from natural hazards than others?

  A country's risk level depends on its exposure to hazards (e.g., being on a plate boundary) and its vulnerability. Developing countries (LICs) are often more vulnerable due to less robust infrastructure, limited resources for prediction and defence, and high population densities in risk-prone areas.