41. Different words have been used for this torment at different places in the Quran. Somewhere it has been called rajafah (a frightful and shocking calamity), somewhere saihah (a crashing and thundering disaster), somewhere taghiyah (a most severe affliction) and here it has been described as saiqah (a calamity that strikes like a thunderbolt). Probably this torment was like an earthquake which was also accompanied by a terrible noise.