Surah Al-Infitar 82:4

وَإِذَا ٱلْقُبُورُ بُعْثِرَتْ

And when the [contents of] graves are scattered [i.e., exposed],

Translation: Saheeh International

Tafsir

and when the tombs are overturned when their earth above them is dug up and its dead are raised the response to idhā ‘when’ and all that is supplemented thereto is the following

Excerpt from Tafsir al-Jalalayn, commentary on 82:4, via Quran.com. The reader has the full commentary and 9 more tafsirs.