Ever Wondered What Would Happen if Your City was Nuked?

Indeed. While I haven't checked up on any recent research or findings, as of the '70s/80s it was thought that though Nagasaki was hit by a slightly more powerful bomb than Hiroshima, it suffered less due to its hilly terrain. (The biggest difference, though, was due to the latter resulting in a firestorm, and outside of perhaps Somerville, MA there are very few US cities with enough fuel per area for one of those to develop).

These are relatively tiny nukes coming in one at a time - the sort of thing we might see if attacked by North Korea or Iran in 10 years. The fusion weapons used by the USSR were fifty to five thousand times as powerful.

It seems to be about right--the predicted damage to Hiroshima from Little Boy matches up pretty well with observed damage (see http://www.atomicarchive.com/Maps/HiroshimaMap.shtml)

I think it's just a very different geographic scale of the cities involved. We learn that Hiroshima was destroyed by a single bomb; we don't often hear that Hiroshima is tiny in comparison to e.g. LA (which would require something on the scale of Tsar Bomba, or multiple strikes, to destroy it to a similar degree).

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