I've seen estimates from 200 tons to 1 kT, still quite powerful. See: https://news.ycombinator.com/item?id=24053732 https://news.ycombinator.com/item?id=240537

I've seen estimates from 200 tons to 1 kT, still quite powerful. See: https://news.ycombinator.com/item?id=24053732 https://news.ycombinator.com/item?id=24053732 Nuclear weapons span a huge range of yields. The W54 yield was as low as 10 tons, about as energetic as a daisy cutter conventional bomb. https://en.wikipedia.org/wiki/W54 https://en.wikipedia.org/wiki/W54 https://en.wikipedia.org/wiki/BLU-82 https://en.wikipedia.org/wiki/BLU-82