Earth's largest modern crater discovered in Southern China
phys.org
phys.org
[1] https://en.wikipedia.org/wiki/List_of_impact_structures_on_E...
I’m assuming Lidar could find more of these, like it could find more of the Aztec cities.
Proportionally far more would land, at sea. Some in shallow waters would leave caters, but deeper there should just be meteorite fragments; I’ll have to look that up.