When seismic waves from the Chicxulub impact reached what is now North Dakota roughly ten minutes after the asteroid struck, they appear to have triggered a ten-metre standing wave in an inland river that flung fish onto the bank and buried them under glass beads still falling from the sky. Saving Tips June 5, 2026 Robert DePalma was digging at a ranch in the Hell Creek Formation of southwestern North Dakota, in a place he…
