By McKenzie


In December of 2004 a large earthquake in Indian in there ocean on the coast of Sumatra the waves were 100 feet tall later the waves were 30 feet tall.

How they are caused

Most tsunami are caused by earthquakes in the ocean and some are caused by underwater volcanos and landslides.

Tsunami destroing a towns

How they form

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How fast can they go

Tsunami can reach speeds at 600 miles per hour.