These words mean basically the same thing. The phrase "a great collapse" defines what the "disaster" will be. (See: [[rc://en/ta/man/jit/figs-doublet]])
This represents God sending an army from the north to cause disaster and destruction in Judah. Alternate translation: "for I will cause an army from the north to come and destroy you" (See: [[rc://en/ta/man/jit/figs-metaphor]])
The abstract noun "crushing" can be translated as a verb. You may need to make explicit who is crushed and who does the crushing. Alternate translation: "the enemy will crush you" or "the enemy will completely destroy you" ([[rc://en/ta/man/jit/figs-abstractnouns]] and [[rc://en/ta/man/jit/figs-explicit]])