Será possível?

Seismographs at Columbia University's Lamont-Doherty Earth Observatory in Palisades, New York, 21 miles north of the WTC, recorded very interesting seismic activity on September 11, 2001 that has still not been explained.
While the aircraft crashes caused minimal earth shaking, significant earthquakes with unusual spikes occurred at the beginning of each collapse. The Palisades seismic data recorded a 2.1 magnitude earthquake during the 10-second collapse of the South Tower at 9:59:04 and a 2.3 quake during the 9-second collapse of the North Tower at 10:28:31.
The Palisades seismic record shows that -- as the collapses began -- a huge seismic "spikes" marked the moment the greatest energy went into the ground. The strongest jolts were both registered at the beginning of the collapses, well before the falling debris struck the earth.