Not one big enough to cause another great extinction, but small enough to just turn a whole small country and parts of neighboring ones into a huge crater. Will the people who was evacuated out after NASA stated a warning try to rebuild the country after everything has settled down or do they’d become citizens of another country?
valid point - concentrations, sure - the boneyard will be fodder for decades of exploitation and archeology. Worldwide, I don’t know how much will end up accessible in the waste stream as so much is dumped into the seas.