活断層 かつだんそう Meanings Noun active fault Kanji 活 active. Read as カツ. 断 sever. Read as ダン. 層 layer. Read as ソウ. Example sentences 我々の町は活断層の上にある。Our city sits on an active fault. Common phrases 活断層がある Word lists Geology Jinuma: Japanese Dictionary · Word lists