 ሰሜናዊው ማማ የወደመው ከተገጨ 1 ሰዓት ከ42 ደቂቃ በኋላ ሲሆን፤ ደቡባዊው ማማ ደግሞ ከተገጨ 56 ደቂቃ በኋላ ነበር የወደመው።
The north tower collapsed an hour and 42 minutes after it was struck; the south tower collapsed after only 56 minutes.