what would be the consiquences of a nuke detonating at the bottom of the ocean?

Question: what would be the consiquences of a nuke detonating at the bottom of the ocean?
- Keywords:
  nuclear,
  water
Asked by 86_Jm to Philip, anon1711, Ann, Annette on 11 Nov 2019.
- anon1711 answered on 11 Nov 2019:
  
  A cloud of radioactive material propagate in the sea and above, contaminating surrounding lands. A tsunami is likely to follow afterwards, with height difficult to predict.

Question: what would be the consiquences of a nuke detonating at the bottom of the ocean?