What is a Tsunami?

What is a Tsunami?

3rd Grade ยท Earth Science ยท 30 min

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Learning Objective

I can describe what a tsunami is and how it is formed.

  • 1

    A tsunami is a series of powerful ocean waves often caused by an earthquake, volcano, or landslide under the sea.

  • 2

    Tsunamis are also known as "harbor waves" because "tsunami" means harbor wave in Japanese.

  • 3

    Warning signs of a tsunami include the ocean suddenly pulling back from the shoreline, the ground shaking, and a loud roaring sound coming from the ocean.