The nearest place where events with orders of magnitude more energy occur is just our atmosphere. Particles thousands of times more energetic, coming from yet undetermined sources in the Universe, strike the atmosphere (and the Moon, and the Sun, and all the other planets) all the time. Since the Earth is one of the smaller planets, it is more likely that such a theoretical black hole is created in, say, Jupiter or the Sun, than here.

I guess that whale hunters - sorry, whale scientists - would be more than happy to have these when they meet "eco-terrorists" - sorry, greenpeace activists / sea shepherds -?

30,000 lbs? Does it have to explode at all when dropped from a plane?

It's amazing how many tabletop cold fusion experiments have attracted public attention, and all turned out to be fraudulent when they claimed to have started nuclear reactions. The worldwide large-scale not-so-cold fusion project ITER has just started, with an estimated cost of 5bn EUR, and there are still guys out there trying to outsmart them on a tabletop and some cookbook chemistry.