The Chicxulub impact rocked the world. Literally.
The massive asteroid impact that killed the dinosaurs also triggered mega-earthquakes that lasted months.
Hermann Bermúdez, a geology doctoral student at Montclair State University in New Jersey, discovered rock layers in Colombia, Mexico, Texas, Alabama and Mississippi that are deformed and cracked as a result of the quake, and some that are filled with rubble left behind by giant tsunamis generated by the impact.
There have been scattered reports of scars that the cataclysmic event left in the rock record, Bermúdez said, but most of these descriptions are relatively sparse. In 2014, he discovered a layer of rock on Colombia's Gorgonilla Island speckled with tiny glass beads called tektites and microtektites, which formed when melted rock was flung into the atmosphere by the impact and then rained down in a cooled, spherical form after the event.
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