National Oceanic and
Atmospheric Administration
United States Department of Commerce

tsunami

First global tsunami simulation of the Chicxulub Asteroid Impact 66 million years ago

Scientist(s): 

The 6+ miles-wide asteroid that struck Earth 66 million years ago wiping out nearly all the dinosaurs and roughly three-quarters of the planet’s plant and animal species also triggered a megatsunami with mile-high waves that new research confirms its global impact. 

Global map showing a deep red swath that represents close to 1000 centimeters wave amplitude over the Yucatan Peninsula filling what is now the Atlantic Ocean and southeast Pacific Ocean

Maximum tsunami wave amplitude, in centimeters, following the asteroid impact 66 million years ago. Credit: From Range et al. in AGU Advances, 2022.

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