地じ震しん断だん層そう

noun

earthquake fault

A fracture in the Earth's crust along which displacement has occurred during an earthquake. Used in geology and seismology.

• この地ち域いきには活かっ発ぱつな地じ震しん断だん層そうがいくつか存そん在ざいする。

  Several active earthquake faults exist in this region.

• 地じ震しん断だん層そうの調ちょう査さは防ぼう災さいにとって重じゅう要ようだ。

  Investigation of earthquake faults is important for disaster prevention.