When did NHK Documentary Season 17 Episode 4 air?
NHK Documentary Season 17 Episode 4 aired on February 21, 2015.


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 Great Hanshin-Awaji Earthquake in 1995 exposed the threat of active faults lurking beneath our feet that can generate a city-destroying quake in an instant. Recent studies show that certain kinds of jolts caused by the faults could bring down high-rises. Where will a mega-quake hit next? 20 years after the Hansin-Awaji disaster, scientific surveys across Japan have brought new warnings.
Direct answers for episode-level questions and details.
NHK Documentary Season 17 Episode 4 aired on February 21, 2015.
This episode runs for approximately 50 minutes.
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