Tectonic hazards

• Hazard risk 


  Chance of being affected by a natural event
• factors increasing hazard risk:

  urbanisation

  poverty

  farming

  climate change
• Earthquake 


  Sudden and violet period of ground shaking

  Usual found on plate margins
• tectonic plates 


  earths crust split into plates

  2 types of plates - oceanic (thin and less dense) and continental ( thick)

  plates move due to convection currents