Ed Ward: UPDATE - Micro-Nukes at the WTC The Mysterious Craters: A thorough examination the debris of the World Trade Center (WTC) buildings reveals further evidence of massive power and heat - a thermonuclear blast. WTC 6 was 8 stories high. The total height of its central debris of the crater was about 30 to 50 feet below sea level and about 120 feet wide. Eight stories of building collapses and leaves a hole at least 30 feet deep.