Quran 79:34 from Surah An-Naazi'aat on Divine Marvels.
فَإِذَا جَآءَتِ ٱلطَّآمَّةُ ٱلۡكُبۡرَىٰ
English translation: But when comes the Overwhelming Calamity the great
Transliteration: fa-idha jaati al-tamatu al-kub'ra