California is riddled with geological fault lines that periodically ruptures the biggest.

加州到处都是周期性断裂的地质断裂带。

Iran is crisscrossed by major geological fault lines and has suffered several devastating earthquakes in recent years.

伊朗主要的地质断层线纵横交错，近年来已经遭受了几次毁灭性的地震。