Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:99:1In the name of Allah, the Entirely Merciful, the Especially Merciful.

When the earth is shaken with its ˹final˺ earthquake  

When earth is shaken, ˹when˺ it is rocked for the rising of the Hour, with its ˹final˺ quake, with its most violent rocking, one that befits its magnitude,
القرآن:٩٩:١بِسْمِ اللَّهِ الرَّحْمَٰنِ الرَّحِيمِ

إِذَا زُلْزِلَتِ الْأَرْضُ زِلْزَالَهَا  

{إذا زُلزلت الأرض} حركت لقيام الساعة {زلزالها} تحريكها الشديد المناسب لعظمتها.