Took Earthquake + Tsunami Flashcards Preview

A level Geography - Case Studies > Took Earthquake + Tsunami > Flashcards

Flashcards in Took Earthquake + Tsunami Deck (12)
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1
Q

When did it occur

A

11th march 2011 - 2:45pm

2
Q

What was the magnitude

A

9 for 5 mins

100 aftershocks of magnitude 5

3
Q

Where was the Epicentre

A

100km off Japan’s coast

4
Q

Give some details of the tsunami wave

A

Began at 1m high, 10km wide

8m tall at maximum hight

Water travelled 10km inland

5
Q

Give 5 primary social impacts

A

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

6
Q

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

A

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

High speed trains automatically stopped due to integrated early warning system

7
Q

Why was the sea wall not effective to withstand the tsunami

A

Liquidification in the area meant Japan dropped by 1m

8
Q

Give 3 social secondary impacts

A

1800 houses destroyed in Fukushima when the Fujinami dam failed

56 bridges and r26 railway tracks washed away

333,400 people left homeless

9
Q

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

A

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

10
Q

Give two economic secondary impacts

A

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

Oil refineries at Sendai set in fire overnight

11
Q

Gove 3 secondary environmental impacts

A

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

12
Q

Give some responses to the disaster

A

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