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Geography
Seismic Case Studies
Japan
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Cards (45)
What date did the Tohoku earthquake occur?
March 11th
,
2011
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At what time did the Tohoku earthquake occur?
2:46 pm
Tokyo local time
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Where did the Tohoku earthquake occur?
Under the
Pacific Ocean
, north of
Tokyo
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What was the magnitude of the Tohoku earthquake?
Magnitude
9.0
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What caused the Tohoku earthquake?
One
plate
slipped upwards between
5 to 10m
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What was the primary natural disaster caused by the earthquake?
A
tsunami
spread in all directions
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How many deaths were reported due to the Tohoku earthquake?
15,899
deaths
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How many people were missing and presumed dead after the earthquake?
2,527
people
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How many people were injured in the Tohoku earthquake?
6,157
injured
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How many people became homeless due to the earthquake?
450,000
people
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What shortages did people face after the earthquake?
Food, water, shelter, and
medicine
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How many children lost their parents due to the earthquake?
2,083
children
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What percentage of parents were still in disbelief ten years later?
54.9%
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Why did many parents keep their children indoors?
Fear of
radiation
exposure
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What were the insurance costs estimated at after the earthquake?
¥2.9 million
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What were the response and recovery costs estimated at?
¥17.7 trillion
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What was the total damage caused by the earthquake and tsunami?
More than
$210 billion
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What environmental impact did the earthquake have?
Flooded an area of
500
square kilometers
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What secondary environmental impact occurred at the Fukushima Daiichi nuclear power station?
Explosions and
radiation leaks
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How much did Japan move closer to America due to the earthquake?
Four
metres
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How high was the tsunami at its peak?
40
metres high
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What was Japan's GNI in relation to seismic technology?
¥46,860
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What technology is used to send alerts in Japan?
Sismometers
connected to
supercomputers
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What was established to direct emergency services?
A
massive
land use survey
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What is September 1st recognized as in Japan?
Disaster prevention day
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What technology was used to send troops to affected areas?
Satellite technology
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What was the immediate response of the Japanese Prime Minister?
Set up an
emergency command centre
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How many members of the Japanese Self-Defense Force were mobilized?
Around
100,000
members
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What did rescue workers do after the earthquake?
Searched the
destroyed
coastline
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What was set up around the Fukushima Daiichi nuclear plant?
An
exclusion zone
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What was distributed to prevent radiation sickness?
Iodine tablets
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What was the long-term response regarding the tsunami warning system?
Upgraded
due to
underestimated
risks
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What council was set up for long-term growth in Tohoku?
The
Reconstruction Design Council
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What was designated to encourage rapid rebuilding?
Special zones for Reconstruction
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What was the issue with tsunami defences?
Inadequate against
height
and
force
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What percentage of Japan's electricity was provided by nuclear power before 2011?
30%
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What was the impact of anti-nuclear groups after the disaster?
Delayed reactor restart until
2016
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What happened five years after the Fukushima explosions?
100,000
residents had not returned home
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What was the total estimated damage from the earthquake and tsunami?
US $300 billion
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What was Japan's financial situation before the disaster?
Most
heavily
indebted
country
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