三さん陸りく沖おき地じ震しん

noun

Sanriku offshore earthquake

Historical term referring to major earthquakes off the Sanriku coast, especially those of June 15, 1896, March 3, 1933, and March 11, 2011.

• 三さん陸りく沖おき地じ震しんは、過か去こに何なん度ども大おおきな津つ波なみを引ひき起おこしてきた。

  The Sanriku offshore earthquake has caused major tsunamis many times in the past.