natural hazards

• what happens at a conservative plate boundary 


  the plates slide past each other at different speeds.
• what is a natural hazard?

  extreme natural events that can cause loss of life, damage property & disrupt human life
• what are the 2 types of natural hazards?

  tectonic and climatic hazards
• what are tectonic hazards?

  when the earths crust moves. e.g plates move, tension builds, causing a earthquake
• what is a climatic hazard?

  When a region has certain whether conditions e.g heavy rainfall = flooding
• what is oceanic crust ?


  found underneath the ocean is denser than continental crust and can be subducted.
• what is continental crust ?

  found under landmasses, or continents, older than oceanic crust and less often destroyed.
• what is the distribution of earthquakes?


  earthquakes are found along all types of plate margins.
• what is the distribution of volcanos ?

  volcanoes only occur along constructive and destructive plate margins.A lot of volcanic activity occurs in the 'ring of fire'.
• what is atmospheric pressure ?

  the general air movement around the Earth due to pressure and temperature.