Earthquakes Flashcards
How is an earthquake caused
Tension that builds up at the plate margins
How does tension build up at destructive margins
When one plate gets stuck as it’s moving down past the other into the mantle
How does tension build up at constructive margins
Along the cracks within the plates as they move away from each other
How is tension built up at conservative plate margins
When plates moving past each other gets stuck
What happens in a earthquake after tension is built up
Sends out shock waves and the vibrations is the earthquake
How is an earthquake measured
Using the magnitude scale
What are the primary affects of an earthquake
Buildings and bridges collapse and homes destroyed
People injured or Killed
What are the secondary effects of earthquakes
Trigger landslides and tsunamis
People left homeless and could die from cold
Loss of income from damaged or destroyed businesses
What are the immediate responses of earthquakes
Rescue people trapped
Recover dead bodies to prevent the spread of disease
What are long term responses of earthquakes
Re-house people
Repair or rebuild damaged buildings
Improve building regulations so they are more resistant