How Does Tsunami: Causes and Characteristics Work?

A tsunami is like a giant wave that suddenly comes from the ocean and can flood the land.

Imagine you're playing in a big pool. If someone jumps in right next to you, water splashes up, that's like a small tsunami. But if something really big happens in the deep part of the pool, like an earthquake or a mountain falling into it, the whole pool can shake and send a huge wave all the way to the edge.

A tsunami is usually caused by an earthquake under the sea. When the ground moves suddenly, it pushes water up and down, kind of like shaking a bottle of soda and watching bubbles rise. This creates waves that can travel very far across the ocean.

These waves are not like regular waves on the beach. They move really fast, faster than you can run! But when they get near the shore, they slow down and grow taller. It's like a small puddle turning into a lake when it reaches land.

Sometimes, tsunamis come in groups, one big wave might be followed by more smaller ones. That’s why people need to stay safe for a while after the first wave hits!