Analysis: Scientists at the University of Michigan have used a computer simulation to reconstruct the tremendous wave that was created when a 14 kilometre-wide asteroid struck the Earth near present-day Chicxulub on the Yucatan peninsula in Mexico.
, show the incredible power of waves and storm surges many metres above normal, and what they can do to shorelines.
But the details of the effect on the ocean and resulting mega-tsunami had not been accurately modelled until this new study. And what the model showed was itself shocking. "At about 10 minutes post-impact we saw that wave at a maximum of about 1.5 km tall, so pretty big," Range told me, in an interview onIt then began spreading out through the Gulf of Mexico, like the circular waves radiating out from a stone thrown into a pond. That wave affected coastlines differently, depending on geography, according to Range.
Forty-eight hours after the asteroid's initial impact, most coastlines in the world had been affected by tsunami waves. It was 30,000 times greater than the Indian Ocean tsunami that struck Indonesia in 2004, which killed more than 200,000 people. One can only imagine the destructive force of so much water reaching land.
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