Skyscrapers in Aseismic Danger
Skyscrapers are symbols of big cities. But the mega earthquake that hit Kumamoto Prefecture, Japan, in 2016 proved that even earthquake-resilient high-rise buildings can shake greatly and suffer severe damage. The culprit is the long period seismic pulse, which is lurking in active faults throughout the world. Simulations of this motion showed that tall buildings shook 3 times more, causing them to tilt. This episode depicts the destructive power of the long period seismic pulse, and the latest counter measures to combat this threat.
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