側そく方ほう流りゅう動どう

noun

lateral flow

Geology term referring to the horizontal movement of material, such as soil or rock, often under gravity or pressure.

• 地じ震しんによって側そく方ほう流りゅう動どうが発はっ生せいし、地じ盤ばんが大おおきく変へん形けいした。

  Lateral flow occurred due to the earthquake, causing significant ground deformation.