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When the waves first spread out from the earthquake's epicentre, they travelled at up to 800 kilometers per hour (500 mph). As tsunami waves approach the shore, their speed decreases, so by the time the 2004 tsunami reached land, the waves weren't going much faster than normal waves. They were travelling at about 1 kilometer per minute, which is about 60 kph or 37 mph. The subsequent force, together with the height and speed of the wave and the volume of water in it caused the damage to the land. Then when that same water retreated it sucked many people out to sea where many of them drowned.

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How fast did the Boxing Day tsunami travel?

The Boxing Day tsunami in 2004 traveled at speeds ranging from 500 to 600 miles per hour (800 to 965 kilometers per hour) across the Indian Ocean.


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What are some example sentences using the word tsunami?

The tsunami was too fast when it came out of the ocean. A tsunami in Japan made many people homeless in 2011. Tsunamis are very fast and huge waves from the ocean that strike land after an earthquake or other cause occurs.


What happens if earthquake is under ocean?

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How fast were the waves going in japan's tsunami?

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