كَذَّبَتْ ثَمُوْدُ وَعَادٌ ۢبِالْقَارِعَةِ ( الحاقة: ٤ )
the Striking Calamity
Kazzabat samoodu wa 'Aadum bil qaari'ah (al-Ḥāq̈q̈ah 69:4)
Thamud and Aad denied the Striking Calamity [i.e., the Resurrection]. (Al-Haqqah  : 4)
1 Mufti Taqi Usmani
Thamūd and ‘Ād had denied (the happening of) the Shocking Event (the Day of Judgment).