The crater is near Mexico's Yucatan penn.............but the evidence of the event, and the chain reaction it caused on earth.................is all over our earth..........from Alberta, Canada, to Wyoming, USA......and the crater itself in sunny Mexico............

Badlands near Drumheller, Alberta, where erosion has exposed the K–Pg boundary

A Wyoming (U.S.) rock with an intermediate claystone layer that contains 1000 times more iridium than the upper and lower layers. Picture taken at the San Diego Natural History Museum