沖おき地じ震しん

noun, used as a suffix

offshore earthquake

Used as a suffix attached to a place name to indicate an earthquake whose epicenter is offshore near that location, e.g. 三陸沖地震 (Sanriku-oki earthquake).

• 三さん陸りく沖おき地じ震しんは2011年ねんに大おおきな津つ波なみを引ひき起おこした。

  The Sanriku-oki earthquake caused a massive tsunami in 2011.