BOSAI: Science that Can Save Your Life Season 1 Episode 4 Long-period Ground Motion and A New Threat 2020
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In the 2011 Great East Japan Earthquake, high-rise buildings in Tokyo's Shinjuku district, some 400 kilometers away from the epicenter, continued to sway significantly for 13 minutes. This is thought to have occurred when the high-rise buildings experienced resonance from the earthquake's "long-period seismic motion." Furthermore, in the 2016 Kumamoto earthquakes, a type of motion called a "long-period pulse" was recorded for the first time in Japan, presenting a new challenge for earthquake countermeasures. In addition to examining these types of earthquake motion, we'll also look at the effects of earthquakes on buildings and explore ways to save lives.
- Released: 2021-01-31
- Runtime: 15 minutes
- Genre: Documentary
- Stars: Lemi Duncan
- Director: Yoshikatsu Serizawa
