https://en.m.wikipedia.org/wiki/Texas_City_disaster
2,200 tons
The Grandcamp explosion also created a powerful earthshock that broke windows as far as 40 miles away and knocked two small planes flying at 1,500 feet (460 m) out of the sky.
Until today it was the largest non-nuclear explosion.
The Beirut explosion bested Texas City by 550 tons.
