Surah Al-Qariah (The Calamity) is the 101st chapter of the Quran, and its main theme is the Day of Judgment and the events surrounding it. It depicts the scene of the Day of Judgment, where humanity will be like scattered moths and mountains will be like carded wool. The surah also describes the weighing of deeds and the consequences for those whose deeds are heavy versus light. 

Here’s a more detailed breakdown:

• Al-Qariah:The name “Al-Qariah” (or “The Striking Disaster”) refers to the Day of Judgment, which is a time of great upheaval and a significant event. 
• Depiction of the Day of Judgment:The surah describes a chaotic scene where people will be scattered like moths, and mountains will be transformed into carded wool. 
• Weighing of Deeds:The surah highlights the concept of the weighing of good and bad deeds on the Day of Judgment. 
• Consequences:Those whose good deeds outweigh their bad deeds will be rewarded with a pleasant life, while those whose good deeds are less will face the abyss, a deep pit of fire. 
• Message and Warning:The surah serves as a warning and reminder of the seriousness of the Day of Judgment and the importance of righteous deeds, according to .org. 

The Holy Quran – TheQuran.org