Tsunami

Question 1

Definition

Answer 1

Large wave that is caused by an under sea earthquake that displaces the water above it

Question 2

Wave height

Answer 2

SHort (5-10m)

Question 3

Wave length

Answer 3

really long 2000m

Question 4

Speed

Answer 4

up to 500mph. reduces to 50.60mph when it reaches the shore

Question 5

More powerful if…

Answer 5

It starts closer the the coast (less energy lost)

Question 6

How are they formed at an oceanic subduction zone?

Answer 6

Where oceanic subducts under the continental causing vertical water displacement

Question 7

how are they formed at destructive plate margins

Answer 7

a sudden slippage the upper plate rebounds upwards. Displacement causes a rising column of water