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What evidence suggests that the Chicxulub impact created an enormous tsunami 66 million years ago?
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tsunami
Aftermath of the December 2004 tsunami in Aceh, Indonesia.
Evidence for the massive tsunami generated by the Chicxulub crater impact 66 million years ago is primarily found in the geological record. Scientists have identified specific sedimentary deposits that are attributed to the displacement of water caused by the asteroid's collision with the Gulf of Mexico. These deposits have been discovered as far away as Illinois, indicating the immense scale and reach of the wave.1