Erosion has erased most of Earth’s impact craters. Here are the 190 confirmed survivors, now in an interactive map.
Natasha.Rabinowitz last edited by
Magazine issue: Vol. 194, No. 12, December 22, 2018, p. 40
Even with a recent, still-to-be-confirmed crater discovery under Greenland’s ice, there are fewer than 200 known impact craters on the planet. Mars, for comparison, has hundreds of thousands.