This is the feature that is now buried under sediments in the Gulf of Mexico, close to the port of Chicxulub. The impact description - scientists call it the dynamic collapse model of crater ...

A sketch of the Chicxulub crater under the sea with the deep seafloor showing the different types of observed bioturbations (Ichnogenera), with photos from the studied cores. Courtesy Francisco J.

The Chicxulub impactor, as it is called, famously wiped out the non-avian dinosaurs and left a huge crater at the edge of the ...