Synopsis

On March 11, 2011, a powerful earthquake struck off the coast of Japan's Tohoku region. In Tokyo's Shinjuku district, skyscrapers, located some 400 kilometers from the epicenter, continued to sway for a full thirteen minutes. And in Osaka, over 770 kilometers away, tall buildings experienced motion lasting more than ten minutes. This prolonged swaying was the result of "long-period seismic waves," a type of seismic disturbance capable of traveling vast distances and resonating with the frequenci