What is a tsunami?
A tsunami is a series of waves that are a result of movement under the water. Earthquakes, volacanos, large explosions, and landslides can cause tsunamis. In the open ocean they can be only a couple inches tall but really wide and then when it approaches land it becomes much taller and less wide. Unlike other waves, tsunami waves typically do not curl and break. A large tsunami can flood low-lying coastal land over a mile from the coast. It means run for high ground!
Answered -
Older Answers
Tsunami: a great sea wave produced especially by submarine earth movement or volcanic eruption : tidal wave
Answered by Mark H. -
One or a series of huge sea waves caused by earthquakes or other large-scale disturbance of the ocean floor.
Answered by Eloy D. -
An unusually large sea wave produced by a seaquake or undersea volcanic eruption. Thanks for using ChaCha!
Answered by Sonja M. -
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