Tsunamis are some of the most destructive forces in nature, capable of causing great destruction to coastal cities and vessels. Submarines are particularly vulnerable to tsunamis due to their limited maneuverability and the fact that they often operate underwater - making them difficult to detect and rescue. Tsunamis can cause severe damage to submerged submarines by creating powerful waves that can overwhelm the vessel’s structure, damaging or destroying its propulsion system, weapons capabilities, and essential systems. They can also create strong currents that can drag submarines off course, forcing them into uncharted waters or even stranding them on land. The effects of a tsunami on a submarine depend largely on its size and depth at the time of impact. Smaller subs may be able to escape without serious injury, while larger ones are more likely to be destroyed or damaged beyond repair. Submarines operating at shallow depths have a greater chance of survival than those operating at deeper depths, as tsunamis tend to lose energy as they travel through water. Overall, tsunamis pose a significant risk for sailors aboard submarines and highlight the importance of having strict safety protocols in place when operating underwater. By understanding how these natural disasters affect submerged vessels, submarine crews can mitigate potential risks and increase their chances of surviving these terrifying incidents intact.