'Fissures' in the Bible

The men of Ai killed about thirty-six of them and chased them from in front of the city gate all the way to the fissures and defeated them on the steep slope. The people's courage melted away like water.

You have shaken the land and split it open.Heal its fissures, for it shudders.

to go into the clefts of the rocks, and into the fissures of the cliffs, from before the terror of Jehovah, and from the glory of his majesty, when he shall arise to terrify the earth.