Abstract
In the Great East Japan (Tohoku) Earthquake which occurred on March 11, 2011, strong ground motions were observed in an extensive area from the Tohoku regions to the Kanto region with unprecedentedly strong tremors felt at high-rise buildings located in the Tokyo metropolitan area. However, because the shaking of the earthquake observed in the Tokyo metropolitan area was smaller than the estimated scenario ground motions caused by earthquakes occurring directly beneath the area and the Tokai-Tonankai earthquake, those estimated earthquakes may cause major damages in the area. In order to reduce such damages, this report aims at outlining ground motions and damages of a high-rise building caused by the Great East Japan Earthquake, and at being of use in taking measures of seismic disasters. For this purpose, this report investigates a record of observation and damages caused on the day of the earthquake, a survey conducted after the earthquake with the focus on the high-rise building of the campus of Kogakuin University located in the Tokyo metropolitan area.
