Why it matters

Vredefort shows that a crater can be less a surface shape than a deep structure revealed by time.

What happenedOne of Earth's largest and oldest known impact structures, preserved as a deeply eroded dome.
Why it mattersVredefort shows that a crater can be less a surface shape than a deep structure revealed by time.
How scientists knowEarth Impact Database

Measurements and uncertainty

Diameter250 km
Depthnot listed
Ageabout 2.02 billion years
StatusConfirmed
Coordinates27.000° S / 27.500° E
Record levelextended

Extended record: core parameters have an editorial baseline, while age, depth, and preservation still require primary-source review.

Scientific profile

Preserved rocks show deformation, shock evidence, and large-scale ring elements despite immense erosion.

Data provenanceEarth Impact Database

Visual reconstruction

Reverse reconstruction → Chronological inversion → Bidirectional analysis → The present as an archive of the future

Every profile needs a visualization preview: an existing image, an aesthetically treated source, or a scientific reconstruction.

Reverse reconstructionmoving from the present trace back to the impact event
Chronological inversionreading the object from future state back through earlier layers
Bidirectional analysischecking past-to-present and present-to-past interpretations
The present as an archive of the futuretreating today's profile as evidence for future analysis

Research history

Long studied as a geological anomaly, its impact origin was established through mineralogical and structural evidence.

Sources

CSVJSONVredefort. Crater.world record. Last reviewed 2026-05-08.
Last reviewed
2026-05-08
Source baseline
Earth Impact Database
Uncertainty note
Extended record: core parameters have an editorial baseline, while age, depth, and preservation still require primary-source review.

Education mode

Facts

  • The site is part of the UNESCO World Heritage list.
  • Much of the original crater form has been removed by erosion.
Glossaryejecta, impact melt, breccia, central peak, erosion
Classroom questionWhich evidence separates an impact crater from a volcanic caldera?
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