Japanese Tsunami case study

Question 1

when did it happen

Answer 1

11th March 2011

Question 2

why did it happen

Answer 2

• an earthquake off the North coast of Japan

- lies on a destructive margin

Question 3

what did it reach on what scale

Answer 3

9 on the richter scale

Question 4

how many died

Answer 4

15,000

Question 5

give 4 social primary impacts

Answer 5

• a dam was built but burst its bank sweeping away homes
• trains swept off lines
• over 8,000 missing
• homes, buildings and farmlands destroyed

Question 6

give a secondary economic impact

Answer 6

total ensured loss exceeded $180 billion

Question 7

how many people were without power

Answer 7

4 million

Question 8

how many people were without water

Answer 8

1 million

Question 9

give 2 envionrmental secondary impacts

Answer 9

• fires spread

- oil refinnerieies set on fire

Question 10

name the 3 responses to the tsunami

Answer 10

• Japan have a warning system which went off 5 minutes after the earthquake
• many people were unable to escae to higher ground in time
• Japan have tight buildings regulations, in Tokyo no buildings collapsed

Question 11

where was Fudai’s sea wall

Answer 11

North japan

Question 12

what did the sea wall do

Answer 12

save a whole town as no homes were damaged by the tsunami

Question 13

how long had it taken to built the sea wall

Answer 13

12 years

Question 14

what supported the positive impact of the sea wall

Answer 14

mountains behind it acted as a natural barrier

Question 15

how did technology involve…

Answer 15

• skype provided free calls and free internet access

- google set up a person finder