Took Earthquake + Tsunami

Question 1

When did it occur

Answer 1

11th march 2011 - 2:45pm

Question 2

What was the magnitude

Answer 2

9 for 5 mins

100 aftershocks of magnitude 5

Question 3

Where was the Epicentre

Answer 3

100km off Japan’s coast

Question 4

Give some details of the tsunami wave

Answer 4

Began at 1m high, 10km wide

8m tall at maximum hight

Water travelled 10km inland

Question 5

Give 5 primary social impacts

Answer 5

16,000 killed, 6,000 injured

1 million buildings completely destroyed across N.E Japan

One school lost 78% of its students

4.4 million without water and 1.5 million without electricity

1,160 section of railway track damaged ad 4 trains derailed

Question 6

Give two ways the impact was mitigated by Japan’s previous adaptations

Answer 6

Limited damage to buildings in Tokyo and Sendai due to earthquake resistant tech

High speed trains automatically stopped due to integrated early warning system

Question 7

Why was the sea wall not effective to withstand the tsunami

Answer 7

Liquidification in the area meant Japan dropped by 1m

Question 8

Give 3 social secondary impacts

Answer 8

1800 houses destroyed in Fukushima when the Fujinami dam failed

56 bridges and r26 railway tracks washed away

333,400 people left homeless

Question 9

Give 5 secondary social impacts resulting from the Fukushima nuclear;ear meltdown

Answer 9

12 mile radius was evacuated (150,000 became homeless)

Water was contaminated by the radiation so people couldn’t drink tap-water around the area

Food contaminated

Emergency housing set up - very little privacy and space

Possibility that woman have become infertile due to the high levels of radiation

Question 10

Give two economic secondary impacts

Answer 10

The disaster cost is in excess of $300 billion (most expensive natural disaster in history)

Oil refineries at Sendai set in fire overnight

Question 11

Gove 3 secondary environmental impacts

Answer 11

Caused tsunami which hit land within 20 mins

Tsunami caused massive slabs of ice to fall from the Sulzberger Ice shelf (Antartica) which damaged property in California, Hawaii and Ecuador

Increase in radiation levels by 15x around the power plant

Question 12

Give some responses to the disaster

Answer 12

116 countries and 28 international organisations helped

Military hurried dead bodies in mass graves to prevent spread of disease

Japan declared state of emergency

Japan’s food exports decreased due to radiation fears

Toyota and Sony halted production whilst the rcompanies decided to relocate to safer countries

Recovering and rebuilding will take years due to the severity of the disaster