(Texas City, Texas) Details of explosion and fire given. [Franklin TENNINGTON - doesn't know what exploded, but fire was everywhere.] Effects of explosion in Texas City downtown area noted. 1947 explosion of-ship loaded with ammonium nitrate in this city south of Houston mentioned. ... The Vanderbilt Television News Archive video player. Texas City explosion of 1947, industrial disaster sparked by the fire and explosion of the SS Grandcamp on April 16-17, 1947, in Texas City, Texas. The blast set off a chain of fires as well as a 15-foot (4.5-metre) tidal wave. Between 400 and 600 people were killed, with as many as 4,000 injured.