Earthquakes Flashcards Preview

Geography Unit 1 > Earthquakes > Flashcards

Flashcards in Earthquakes Deck (10):
1

How is an earthquake caused

Tension that builds up at the plate margins

2

How does tension build up at destructive margins

When one plate gets stuck as it’s moving down past the other into the mantle

3

How does tension build up at constructive margins

Along the cracks within the plates as they move away from each other

4

How is tension built up at conservative plate margins

When plates moving past each other gets stuck

5

What happens in a earthquake after tension is built up

Sends out shock waves and the vibrations is the earthquake

6

How is an earthquake measured

Using the magnitude scale

7

What are the primary affects of an earthquake

Buildings and bridges collapse and homes destroyed
People injured or Killed

8

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

9

What are the immediate responses of earthquakes

Rescue people trapped
Recover dead bodies to prevent the spread of disease

10

What are long term responses of earthquakes

Re-house people
Repair or rebuild damaged buildings
Improve building regulations so they are more resistant