Weather Blog Blast From the Past: Vredefort Crater The world’s oldest and largest known impact structure shows some of the most extreme deformation conditions known on Earth. Read More… About Author OTW Observer See author's posts Post navigation Previous Wimbledon close to its hottest day ever as temperatures soar past 34CNext Tropical Storm Chantal could Develop… Related Stories Rings of Rock in the Sahara Weather Blog Rings of Rock in the Sahara November 28, 2025 Cranberry Country, Wisconsin Weather Blog Cranberry Country, Wisconsin November 27, 2025 The Towers of Tràng An Weather Blog The Towers of Tràng An November 26, 2025