What does ocean earthquake mean?

Answer 1

an earthquake is shaking or sometimes displacement of ground as a result of a sudden release of energy in the earths crust that created seismic waves.

Answer 2

An ocean earthquake, also known as a submarine earthquake, is an earthquake that occurs beneath the ocean floor. These earthquakes can generate tsunamis due to the displacement of large volumes of water, posing a threat to coastal areas. Detection and monitoring of these events are crucial for early warning systems to mitigate potential impacts.

Answer 3

It simply means: an earthquake that took place under a body of water.