[JockoManning]

And, if it went off near the Canary islands steep sloped volacno ... causing a massive under water landslide—the height of the tsunami might be even higher along the East Coast of the USA. And the Caribbean islands could be in real trouble along with what would then become FORMERLY Florida. ... as I understand it.

[Axenolith]

As I always say, all of Florida is merely a beach that sees wave activity infrequently enough to grow trees... With respect to the nuke, the wave height would be really localized. A heavy neutron flux though would probably create a roasting fallout cloud of short lived radioactive sodium isotope (Na²⁴).