Az-Zalzala • BN-TAFSEER-IBN-E-KASEER
﴿ بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ إِذَا زُلْزِلَتِ ٱلْأَرْضُ زِلْزَالَهَا ﴾
“WHEN THE EARTH quakes with her [last] mighty quaking,”
Please check ayah 99:8 for complete tafsir.