How strong should an atomic bomb be to break the Hoover dam?

With today's precision-guided JDAMS munitions, a nuclear weapon isn't necessary to take out the Hoover Dam. A few cruise missiles, with the necessary warheads designed to penetrate the dam in the critical spots and weaken it, should suffice. read more

dams r damn tough. an abomb could take out the whole las vegas, but the hoover dam will still be standing. on the other hand, any atomic bomb can radiatively poison the water in the hoover dam, great lake and lake tahoe to make a lot of people lives’ miserable. man’s ability to destoy is not great, but infinite. read more

SOURCE Hoover Dam: Lots More Information"The Hoover dam is one of those miracles of the modern world that almost defy explanation. When you stand next to it, the size is unbelievable. It is more than 700 feet high (imagine a 70-story building). read more