[archy]

even at that though, that 1962 training film didnt appear to be the same intensity of blast...

Not much of a crater, either. Interesting...

Toulouse 2001 AZF Ammonium Nitrate disaster site

[Gilbo_3]

so, freak coincidence that all that gaseous material, combined with water, found the right pressure and temp and ignition, resulting in an uncontained blast that all went out, and nothing really 'down' ???

wouldve seemed to leave a decent crater regardless with that much energy, unless it was all above ground, as in gas ???