Strong quake at the the tectonic boundary between Africa and Antarctica
A strong magnitude 6.2 quake occurred on the evening of 26 Sep approx. 1922 km SE of Cape Town, South Afric, in the southwestern Indian Ocean.
The quake occurred at the active divergent plate boundary separating the African and Antarctic plates, which probably now have moved a few cm further apart as a consequence.
Very light shaking was reported felt by some observers in southern South Africa....
https://www.volcanodiscovery.com/earthquake/news/110580/Strong-quake-at-the-the-tectonic-boundary-between-Africa-and-Antarctica.html