The top story of a building 200-300 meters high located on reclaimed land in Suminoe Ward in the city of Osaka would likely rock back and forth by as much as some 6 meters as a result of a long-period ground motion with a cycle of five seconds that would result from the largest-scale quake.南海トラフ地震で引き起こされる5秒周期の長周期地震動により、大阪市住之江区の埋立地に立つ200〜300mのビルの最上階は、最大6m揺れる。