Spiny Norman said:

Today marks 6 years of the ‘Beirut Explosion’ that is considered one of the most powerful artificial non-nuclear explosions in history. It was equivalent to around 1.1 kilotons of TNT, caused 218 fatalities and US$15 billion in property damage

https://www.reddit.com/r/interesting/comments/1vey7or/today_marks_6_years_of_the_beirut_explosion_that/

Horrific. :(

It was certainly a massive kaboom.