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 A Desert Intersection Weather Blog A Desert Intersection October 1, 2025 Imelda and Humberto Crowd the Atlantic Weather Blog Imelda and Humberto Crowd the Atlantic September 29, 2025 The Erie Canal Turns 200 Weather Blog The Erie Canal Turns 200 September 29, 2025