Largest impact crater on Earth

Largest impact crater on Earth
Who
Vredefort Crater
What
300 kilometre(s)
Where
South Africa (Johannesburg)
When
01 January 0001

Of the roughly 190 impact craters identified so far on Earth, the largest is the Vredefort Crater, near Johannesburg, South Africa, with an estimated diameter of 250–300 kilometres (155–186 miles). This huge, eroded structure was formed around 2 billion years ago, when an asteroid or comet collided with the Earth.