A Mount Everest-sized rock smashed into our planet 66 million years ago, sending up clouds which blotted out the sun and killed most creatures on Earth.
But the impact also triggered a vast, terrifying tsunami up to 2.8 miles high, which left traces on the ocean floor thousands of miles from the impact site on Mexico’s Yucatan Peninsula, according to a new University of Michigan-led study.
The study authors calculated that the initial energy in the impact tsunami was up to 30,000 times larger than the energy in the December 2004 Indian Ocean earthquake tsunami.
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The 2004 tsunami killed more than 230,000 people and is one of the largest tsunamis in modern times.
The tsunami sparked by the dinosaur asteroid would have briefly been 2.8 miles wide before collapsing to lower levels as it surged around the world.
Read more: yahoo
