Tsunamis

Question 1

What is a tsunami?

Answer 1

It is a series of huge waves created by a large
undersea earthquake at destructions plate boundaries.

Question 2

What speed do tsunamis travel at?

Answer 2

800km/h

Question 3

How are tsunamis formed?

Answer 3

1) A sudden shift in plate movement causes water displacement at the epicentre.
2) Large waves move along the seabed away from the epicentre.
3) As the waves move from deep water to shallow water near the coastal area, they increase in height and break.

Question 4

What are the primary effects of tsunamis?

Answer 4

Flooding, loss of lives and flooding can contaminate water supplies and cause the destruction of homes.

Question 5

What are the secondary effects of tsunamis?

Answer 5

causing illnesses in the area. These illnesses are due to poor sanitation and lack of clean water
because of contaminated water supplies due to flooding. Flooding washes into clean water supplies carrying debris and sewage.