natural hazards

• What is a natural hazard?

  A naturally occurring event threatening a population
• How do natural hazards negatively affect a population?

  By causing loss of life, injuries, and damage
• What was the impact of the Nepal earthquake in 2015?

  Nearly 9000 people killed and thousands injured
• Why is the Nepal earthquake classified as a natural hazard?

  It had a huge negative social impact
• What differentiates a hazard from an event?

  A hazard threatens people, an event does not
• When is a natural event classified as a natural hazard?

  When there is a threat to people
• What are the three main groups of natural hazards?

  • Geological hazards
  • Hydrological hazards
  • Atmospheric hazards
• What are geological hazards?

  Hazards caused by processes on the land
• What are hydrological hazards?

  Hazards caused by the movement of water
• What are atmospheric hazards?

  Hazards caused by the weather
• What is hazard risk?

  The probability a natural hazard will affect a population
• What factors affect hazard risk?

  Population's exposure and vulnerability to hazards
• How does living near an active volcano affect hazard risk?

  It increases the risk of a hazard affecting them
• What does it mean if a population is vulnerable to a hazard?

  They lack resources to deal with the hazard's effects
• How does poor access to healthcare affect hazard risk?

  It increases the risk of the hazard affecting them
• What factors affect hazard risk?

  • Population's exposure to the hazard
  • Population's vulnerability to the hazard
  • Social, environmental, and economic factors