When did NHK Documentary Season 22 Episode 9 air?
NHK Documentary Season 22 Episode 9 aired on April 4, 2020.


Hard-hitting documentary series that takes an in-depth look at some of the political, economic, and social challenges that Japan and our world is facing.

The tsunami that struck northeast Japan in March 2011 was among the largest in Japanese history. But it didn't correlate with the intensity of the preceding earthquake. How did the wave get to be so astonishingly big? We investigate a little-known seabed phenomenon that may have contributed. It seems that if a landslide and slow-motion plate shifting occur at the same time, they can cause a tsunami of an enormous size. 9 years after the disaster, a true picture of what happened is beginning to emerge.
Direct answers for episode-level questions and details.
NHK Documentary Season 22 Episode 9 aired on April 4, 2020.
This episode runs for approximately 50 minutes.
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