On the Day the earth and the mountains will convulse and the mountains will become a heap of sand pouring down.
The Saheeh International Quran Translation
يَوْمَ تَرْجُفُ ٱلْأَرْضُ وَٱلْجِبَالُ وَكَانَتِ ٱلْجِبَالُ كَثِيبًا مَّهِيلًاOn the Day the earth and the mountains will convulse and the mountains will become a heap of sand pouring down.