Surah Al-Hajj 22:1

يَـٰٓأَيُّهَا ٱلنَّاسُ ٱتَّقُوا۟ رَبَّكُمْ ۚ إِنَّ زَلْزَلَةَ ٱلسَّاعَةِ شَىْءٌ عَظِيمٌ

O mankind, fear your Lord. Indeed, the convulsion of the [final] Hour is a terrible thing.

Translation: Saheeh International

Tafsir

O mankind that is the inhabitants of Mecca and others fear your Lord that is of His punishment by being obedient to Him. Surely the earthquake of the Hour of Doom that is the violent quaking of the earth after which the sun will rise from the west something which will be near the time of the Hour is a tremendous thing …

Excerpt from Tafsir al-Jalalayn, commentary on 22:1, via Quran.com. The reader has the full commentary and 9 more tafsirs.