Natural Hazards: Geography AQA: GCSE(9-1)

• The main types of volcanoes are shield, composite (stratovolcano), cinder cone, lava dome, and hot spot.
• Tornado


  A rapidly whirling, funnel-shaped cloud that reaches down to touch Earth's surface.

  
• Geomorphological Hazard


  A natural hazard which occurs on the Earth's surface, such as flooding or landslides.

  
• Biological Hazard


  A natural hazard which involves living organisms, such as forest fires, pest infestation, diseases in crops or humans.

  
• Monsoon


  Rainy season in southern Asia when the southwestern monsoon blows, bringing heavy rains

  
• Drought

  A long period with less rainfall than is normal

  
• Extreme Weather


  Weather that is markedly different from the normal weather that usually occurs.

  
• Tropical Storms

  Hurricanes, Typhoons and Cyclones with winds in excess of 74mph or 118kph

  
• Atmospheric Hazard


  A natural hazard caused by extreme weather conditions such as hurricanes or tornadoes.

  
• Volcanic Eruption


  The release of material from under Earth's crust to its surface

  
• Earthquake


  A shaking or vibration in the Earth's crust.

  
• Tectonic Hazard

  A natural hazard caused by movement of tectonic plates (including volcanoes and earthquakes).

  
• Hazard risk


  The probability or chance that a natural hazard may take place.

  
• Natural Event

  A naturally occuring event in the physical environment, such as an earthquake, volcanic eruption or tropical storm.

  
• Natural Hazard

  Any natural process that is a potential threat to human life and property