Tohoku, Japan 2011 (Earthquake Case Study) | AQA GCSE 9-1 Geography

Case Study of the Japan 2011 earthquake in Tohoku.

This is the sixth video for the AQA GCSE 9-1 Geography course, and the sixth video of the Challenge of Natural Hazards topic.

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00:00 Background and causes
00:37 Primary impacts
00:52 Secondary impacts
01:11 Immediate responses
01:23 Long-term responses
01:37 Extra information
01:52 Outro

Video script:
On the 11th March 2011, Japan was struck by a magnitude 9 earthquake followed by a tsunami.

Japan is located on the eastern edge of the Eurasian plate. The boundary between the Eurasian and Pacific plate is destructive, with the oceanic Pacific plate sinking under the continental Eurasian plate. The earthquake occurred at 14:46 local time, with the epicentre located 70 km east of Tohoku and the focus at a depth of 29 km. This was followed by a tsunami that reached up to 40.5 metres high and travelled up to 10 km inland.

The primary impacts include:
» 16,000 deaths
» 10% of all fishing ports were damaged
» 400 km stretch of coastline dropped by 1.6m
» Damaged nuclear power plant at Fukushima

The secondary impacts include:
» The tsunami
» 19,000 homes were left without clean water or electricity
» 70,000 people had to be evacuated due to the damage at the nuclear power plant.
» Estimated cost of £182bn

The immediate responses include:
» Debris cleared within 2 days by the Japanese Army
» 116 countries and 28 international organisations offered assistance.

The long-term responses include:
» New tsunami walls being constructed 25-30m high
£25 million warning system revealed in March 2013
96% of electricity restored by november

As a high-income country, Japan is very good at responding to and preparing for natural hazards . Many buildings are earthquake resistant, and the people are educated about hazards, for example September 1st every year is Disaster Prevention Day.

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GCSE Geography
29/04/2020
Keducate

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