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Atlantis, which was destroyed by a tsunami, may have been found by archeologists and geologists…

Tsunamis in the region have been documented for centuries, Freund says. One of the largest was a reported 10-story tidal wave that slammed Lisbon in November, 1755.

Debate about whether Atlantis truly existed has lasted for thousands of years. Plato’s "dialogues" from around 360 B.C. are the only known historical sources of information about the iconic city. Plato said the island he called Atlantis "in a single day and night… disappeared into the depths of the sea." (Source)