Case Study - Japan +earthquake and tsunami knowledge

Question 1

When did it happen?

Answer 1

11th March 2011

Question 2

What was the magnitude?

Answer 2

Around 9

Question 3

Where was the epicentre

Answer 3

Off the coast of ofunato north east of Sendai

Question 4

What is it called when the ground is squeezed, compressed and forced to the surface?

Answer 4

Liquefaction

Question 5

Where did the tsunami hit first?

Answer 5

Ofunato

Question 6

How many people died from falling buildings?

Answer 6

1500

Question 7

How deep was the mass of water that got lifted then thrown back down causing shock waves?

Answer 7

6km deep

Question 8

At what speed did the tsunami travel?

Answer 8

500kmph

Question 9

How many people had no water?

Answer 9

1 million

Question 10

Give 4 ways japan tried to prevent the impacts of the earthquake

Answer 10

Building foundations are made of rubber, automatic text messages got sent to everyone as a warning, Japan’s warning system shut of gas to prevent fires and ceilings had weights on to counteract seismic waves.

Question 11

Name 4 ways in which Japan tried to prevent the impacts of a tsunami

Answer 11

40% of Japan’s coastline has sea walls of up to 10 meters high, 5.6 meter defence wall over the nuclear reactor, hazard agency gave people 20 mins to get to safety and the warning centre monitored the tsunami waves.

Question 12

How many people where missing in Minamasuka due to the tsunami?

Answer 12

9500 people.

Question 13

What percentage of people died from drowning due to the tsunami?

Answer 13

93%

Question 14

How many had to live in government shelters?

Answer 14

215,000

Question 15

How long after the disaster were people still in temporary housing?

Answer 15

1 year

Question 16

Give 3 responses to the disaster

Answer 16

Ambulances searched for trapped survivors, people got to higher ground (tsunami) and the uk sent search and rescue teams to help search for survivors.

Question 17

Number the following one to ten on how a tsunami is formed
A)sea movement causes tsunami
B) Indian moves to the Eurasian plate
C)seismic waves spread quickly outwards
D)convergent plate movement causes earthquake
E)sea above earthquake forced upwards
F)waves crash onto shore
G)Indian plate forced downwards

Answer 17

1) B
2) G
3) D
4) F
5) A
6) E
7) C

Question 18

In shallow water, tsunami waves slow to_____ and a height of______

Answer 18

40kmph, 15 meters

Question 19

What speeds do tsunami waves reach in deep sea?

Answer 19

800kmph

Question 20

How many earthquakes are recorded each year?

Answer 20

100,000

Question 21

Where do Earthquakes occur?

Answer 21

The fault lines

Question 22

How are earthquakes caused?

Answer 22

Friction causing energy on the fault lines which eventually rupture and release energy in shock waves