Good work, Shaddack. Gold star and smiley face.
My father has mentioned the Texas City incident a few times while growing up (he grew up in Galveston). He remembers that it basically dissappeared in a giant fireball, and there was never an explanation.
My first experience with earthquake-like events was in about 1970,
when there was an explosion at some duPont fertilizer or chemical plant in New Jersey.
Across the river in Delaware, we heard and felt it, and the building I was in rocked a bit.
Google isn't helping me remember exactly when or what it was :-)
