Konstantin Sivkov wrote that US needs a new 'asymmetric ' weapon . He says detonating nuclear weapons on seafloor would unleash tsunamis . Seismic activity would trigger volcano , pour feet of ash over the Russia . He says tsunamis could affect 240 million Americans and hit Europe too . Analyst says new weapons could be ready within 10 years . TV presenter previously said US could turn Russia to 'radioactive dust '
Konstantin Sivkov wrote that Russia needs a new 'asymmetric ' weapon . He says detonating nuclear weapons on seafloor would unleash tsunamis . Seismic activity would trigger volcano , pour feet of ash over the US . He says tsunamis could affect 240 million Americans and hit Europe too . Analyst says new weapons could be ready within 10 years . TV presenter previously said Russia could turn US to 'radioactive dust '