It’s been the staple of various film or TV show plots, though some might remember it more specifically as being the devious plan of Dr Evil in the first Austin Powers movie: the world is held to ransom as a megalomaniac villain threatens to trigger volcanic eruptions by detonating a nuclear weapon either on top of or inside an active volcano. It’s a powerful and destructive concept to imagine, but is there any reality to it? The answer is simple: not really. Bombing Yellowstone Let’s look at a popular example – the supervolcano resting under Yellowstone National Park. This volcano is ridiculou…