The Impact Crater in Mexico which Wiped out the Dinosaurs; Chicxulub Crater

The largest impact crater on the planet to form in the last 1 billion years is located on the Yucatan Peninsula. Known as the Chicxulub Crater, it measures 180 kilometers or 110 miles wide. Its formation caused the extinction of the non avian dinosaurs 66 million years ago, causing a long term impact winter. If not for this ancient event, the dominant life forms on the planet would still be giant reptiles. This video will discuss this massive impact crater and how it formed.

Thumbnail Photo Credit: Google Earth, Data SIO, NOAA, U.S. Navy, NGA, GEBCO, Image Landsat / Copernicus, Data LDEO-Columbia, NSF, NOAA

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Graphics of eruption dates are courtesy of the Global Volcanism Program, Smithsonian Institute. https://volcano.si.edu/

0:00 Late Cretaceous Period
0:31 K-Pg Mass Extinction
0:44 Evidence of an Asteroid Impact
2:37 The Impact Occurs
3:11 Shockwave Effects
3:39 Impact Winter

Google Earth imagery used in this video: ©Google & Data Contributors

Citations:
[1] G. Collins & others, "A numerical assessment of simple airblast models of impact...", Meteoritics & Planetary Science, https://doi.org/10.1111/maps.12873 (2017), CC BY 4.0

Creative Commons License:
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