See the areas affected by the earthquake, tsunami and nuclear crisis in Japan. Use the slider to change the date and time of events, navigate the map and click on the icons to watch the video.

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On Friday 11 March a 9.0 magnitude earthquake struck off the east coast of Japan, triggering a vast tsunami which engulfed huge swathes of land and killed thousands of people. Many more were made homeless by the catastrophe.

As rescuers battled to reach those affected, a new disaster began unfolding at Japan's Fukushima-Daiichi nuclear plant. The crisis there would eventually become the world's biggest and most serious since Chernobyl. Thousands were evacuated as workers struggled to prevent major radiation leaks.

The Channel 4 News team, including Presenter Jon Snow and Chief Correspondent Alex Thomson, covered these events and more with a series of video reports from around the country. Raw footage shot by terrified bystanders also poured in.

Eight months on, Channel 4 News went back to Japan to see how recovery efforts were going and found towns still devastated and memories still raw -
but there was hope as well.

You can find all our coverage in the map above.

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