Tectonic Plates / Earthquakes

Question 1

Describe a collision

Answer 1

Collision margins are where two plates of crust move together. The crust is forced up to form fold mountains. The Indian plate is moving to the Eurasian plate this is forming the Himalayas.

Question 2

Describe constructive plates

Answer 2

Construction margins move away from each other. Magma or molten rock automatically fills any possible gaps. The Atlantic Ocean is widening about 3 cm each year, which means the Americas are moving away from Eurasia and Africa.

Question 3

Describe destructive plates

Answer 3

Destructive margins occur when plates consisting of oceanic crust move towards plates of continental crust. The Naza plate is moving towards the American plate

Question 4

Describe conservative plates

Answer 4

Constructive margins are found where two plates slide past one another.
However, earthquakes can happen if the two plates stick. The Sun Andreas fault marked the junction of the specific in North American plates.

Question 5

What are some immediate responses to an earth quake?

Answer 5

Immediate:
People are rescued from destroyed buildings.
People are evacuated.
Emergency shelters are put in place.

Question 6

What are some long-term responses to an earthquake?

Answer 6

Long-term:
Reconstruction of destroyed buildings will take place.
Infrastructure such as roads repaired.
Temporary housing is provided.

Question 7

What are the 3 P’s?

Answer 7

Predict, protect, prepare