Earthquakes

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  • Earthquakes occur at all three types of plate margin- they are caused by a tension build-up
    • Destructive Plate Margins - tension builds up when one plate gets stuck as it is moving past the other plate, into the mantle
    • Constructive Plate Margins - tension builds up along the cracks between the plates, as they move away from each other
    • Conservative Plate Margins - tension builds up when plates that are grinding past each other get stuck
  • The plates eventually jerk past each other, sending out shock waves, these cause the earthquakes
  • These…

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