NHK Documentary S2013E10 - MEGAQUAKE Episode 2: Deadly Vibrations: Dangers of Long Duration Ground Motion

2 years after the Great East Japan Earthquake, researchers have been looking into the mechanism responsible for the tremors that inflicted unimaginable damage. It's called long duration ground motion. Even quake-proof buildings and large cities far away from the epicenter felt its effects. How can we cope with this source of deadly vibrations? The second program will focus on the long-lasting damage generated by a megaquake.