In 2013, this chilling footage recorded by a man and his daughter captures the exact moment the West Fertilizer Company factory exploded in West, Texas.
Fifteen individuals lost their lives, while over 160 sustained injuries, and more than 150 buildings suffered damage or were completely destroyed.
The factory exploded with the force of 7.5-10 tons of TNT.
Investigators concluded that the substance responsible for the explosion was ammonium nitrate.