- Newer reports from Lebanon are estimating force of explosion to be as high as 2.2-2.75 Kilotons, double the highest western estimates.(Wikipedia's Largest Explosion page went with 2.2). It's unclear whether this is a miscommunication, or a sign there were even MORE explosives on Port then thought. https://nationalpost.com/news/beirut-blast-measured-2-75-kilotons-how-does-that-compare-with-other-major-explosions-in-history 11 comments worldnews