震度階級 しんどかいきゅう Meanings Noun seismic intensity scale (the Japanese scale ranges from level 0 ("imperceptible") to level 7 ("disastrous")) See also: 震度 (しんど). Kanji 震 quake. Read as シン. 度 degree 階 floor. Read as カイ. 級 grade. Read as キュウ. Jinuma: Japanese Dictionary · Word lists