What are the dimensions of The Chicxulub crater?
Correct answer: 180 km(110 miles) in diameter and 20 km(12 miles) in depth

That Cøunt, Ray Bumpkin
The Mariana Trench, the deepest point on earth, is only approx 11km deep. But this is stated as 20km. That must have been at time of impact, I wonder how deep it is now.

That Cøunt, Ray Bumpkin
On reading more about it, it is now widely accepted that the devastation and climate impact was the primary cause of a mass extinction event of 75% of plant and animal species on earth, including all non-avian dinosaurs.