Derived from

Huge Explosion by unfa
https://www.freesound.org/people/unfa/sounds/259300/
http://creativecommons.org/licenses/by/3.0/

Explosion_001.mp3 by cydon
https://www.freesound.org/people/cydon/sounds/268557/
http://creativecommons.org/publicdomain/zero/1.0/