Must have been quite a bit of vapor in there to get that much energy out of the light off.
Vaporised Oil which can be smoke, is not much different to gas or petrol fumes in that state.
Good job you were standing where you were when it Blew.
It pays to make sure any enclosed space is ventilated or cooled down before trying a relight.
Look on the bright side, You'll never be unawares of the problem again! :0)