東とう北ほく関かん東とう大だい震しん災さいMeaningsNoun1. Tōhoku earthquake (March 11, 2011); Tohoku earthquake; Sendai earthquake; Great East Japan EarthquakeKanji used東east北north関connected to大large震tremors災natural disasterComposed of東とう北ほくnorth-east; Tōhoku (northernmost six prefectures of Honshu); TohokuNoun関かん東とう大だい震しん災さいGreat Kanto earthquake (1923)Noun