This is a list of every known impact with the Earth that has cause significant damage. Most of these have been identified from impact craters, however, some of the most recent and the smallest collisions have been witnessed by humans. The Tunguska and Brazil events were both air blasts and did not produce a crater on the Earth's surface. The radii given for these events correspond to the damage to forests.

Because even large impact craters are difficult to identify this list is unlikely to be complete. The crater information comes from the Canadian Geological Survey. Uncertainties in the age of craters arise due to errors in the dating techniques used and are shown as + or - the number of years.