"Thamud and 'Ad denied the Calamity" (69:4). The interpretation of al-Kalbi is: The Calamity (al-Qari'ah) is one of the names of the Day of Resurrection.
﴿كذبت ثَمُود وَعَاد بالقارعة﴾ تَفْسِيرُ الْكَلْبِيِّ: الْقَارِعَةُ اسْمٌ مِنْ أَسمَاء الْقِيَامَة