How do tsunamis accure?

Answer 1

Tsunamis occur when tech tonic plates under the oceans surface move and shift places causing a movement in the water and drawing all the water back, and then straight forward to the shore wiping out every thing in its path.
an earthquake under the ocean accurs and makes the plates under the ocean and causes massive waves to surrounds the following countries around where the earthquake took place.

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this was answered by a 13 year old.

Answer 2

Tsunamis are typically generated by underwater earthquakes, volcanic eruptions, or landslides that disturb the ocean floor. The sudden movement displaces a large volume of water, creating powerful waves that travel across the ocean at high speeds. When the waves reach shallow coastal areas, they can increase in height and cause extensive damage.

Answer 3

They occur when the earths plates move under water just like an earthquake