One of the Largest and Oldest Impact Structures on Earth

Formed about 2 billion years ago; the original crater may have been 170-300 km wide. A UNESCO World Heritage Site since 2005. Location: Vredefort, Free State. Key figure: ~2 billion years. Part of the One State One Record (South Africa) campaign. Reference record compiled from public sources; not certified by The Book of World Records. Source: https://en.wikipedia.org/wiki/Vredefort_impact_structure