Surah Al-Muzzammil, Ayah 14
Quran 73:14 · The Enshrouded One · Makki · Para 29 · Page 576
یَوْمَ تَرْجُفُ الْاَرْضُ وَالْجِبَالُ وَكَانَتِ الْجِبَالُ كَثِیْبًا مَّهِیْلًا ۟
Transliteration
Yawma tarjufu al-ardu waljibaluwakanati aljibalu katheeban maheela
Saheeh International
On the Day the earth and the mountains will convulse and the mountains will become a heap of sand pouring down.
Al-Mukhtasar fi Tafsir
That punishment will occur to those who deny on the day when the earth and the mountains will shake and the mountains will become scattered flowing sand because of its extreme horror.
Tafsir Ibn Kathir (abridged)
Explains 73:10–73:18 together — read it on 73:10