首しゅ都と直ちょっ下か型がた地じ震しん

noun

Tokyo near-field earthquake; large-scale earthquake directly hitting the Tokyo area

A technical term used in disaster prevention and seismology. Refers to a major earthquake with an epicenter directly beneath the Tokyo metropolitan area, expected to cause severe damage. Also used historically for the 1855 Ansei Edo earthquake and the 1894 Meiji Tokyo earthquake.

• 首しゅ都と直ちょっ下か型がた地じ震しんに備そなえて、防ぼう災さい訓くん練れんが行おこなわれた。

  Disaster drills were conducted in preparation for a Tokyo near-field earthquake.

• 政せい府ふは首しゅ都と直ちょっ下か型がた地じ震しんの被ひ害がい想そう定ていを公こう表ひょうした。

  The government released damage estimates for a Tokyo near-field earthquake.