Assuming it explodes.
Assuming it explodes. Hydrogen doesn't explode, it fireballs. Doesn't sound like much of a difference, but if you know about pressure, it's a huge difference. Even compressed, H2 does not just "explode" like a bomb. It instantaneously fireballs and then is done. The longer explosions are a lot more worrisome. A demolition expert would never use H2 for anything but special effects.