Originally Posted by Oliver
Hi, Oliver. Glad to help.
The explosion in the north tower elevator shafts, which damaged several floors, the lobby, and basement levels, was caused by jet fuel. Following are descriptions from several north tower survivors. I've bolded
descriptions that mention jet fuel or kerosene (Jet-A fuel is basically kerosene). I've also bolded other passages that I felt were interesting.
38th (and 43rd) Floor
38th Floor: stairwell blocked by debris
25th floor to Lobby
Graphic descriptions of injuries and fatalities follow.
Lobby & 3rd floor
North tower lobby while south tower collapses:
Concourse: this gives an idea of how large the towers were. The concourse was below the elevator lobby that was hit by the fireball.
Basement: level unknown
1st Sub-basement: Philipe David
1st Sub-basement: William Rodriguez
Here’s how Rodriguez initially described the first sounds: