Tohoku earthquake Flashcards
(16 cards)
When did the Tohoku earthquake occur?
The Tohoku earthquake occurred at 2.46pm on 11th March 2011.
What was the magnitude of the Tohoku earthquake?
The earthquake had a magnitude of 9.
How long did the Tohoku earthquake last?
The earthquake lasted 6 minutes.
How much warning did Tokyo receive before the earthquake?
Tokyo had a one minute warning before the earthquake hit.
How many aftershocks occurred after the Tohoku earthquake?
There were 500 aftershocks, with some as large as 7.1.
What height did the tsunami waves reach during the Tohoku disaster?
The tsunami waves reached a height of 10 metres.
What was the impact of the tsunami on the Fukushima-Daiichi nuclear power plant?
The tsunami flooded the Fukushima-Daiichi nuclear power plant, damaging generators needed to cool the reactor cores.
What health risks did people face due to the Fukushima-Daiichi explosions?
People exposed to radiation from the nuclear reactor faced long-term health problems.
What was the epicentre of the earthquake?
The epicentre was 100km east from the coast of Sendai, at a depth of 20km.
Why did the Tohoku earthquake occur?
The earthquake occurred because Japan is located on the boundary between the Eurasian, Pacific, and Philippine plates.
How long did it take for Tokyo to feel the earthquake after it occurred?
Tokyo felt the earthquake 100 seconds after it occurred.
What evacuation measures were taken after the Fukushima-Daiichi explosions?
A 20 km evacuation zone was set up, with 80,000 residents leaving.
What was the death toll from the Tohoku earthquake and tsunami?
16,000 people died, with a further 3000 officially missing.
What percentage of the deaths were of elderly individuals?
90% of the deaths were caused by the tsunami, with 56% of those who died being over 65.
What were the estimated insurance costs of the disaster?
Insurance costs were estimated to be £20 billion.
What significant economic impact did the Tohoku earthquake have on Japan?
In 2011, Japan experienced its first annual trade deficit for 30 years, partly due to disruption to manufacturing.
