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 Lake Coatepeque Weather Blog Lake Coatepeque March 9, 2026 Ailing “Megaberg” Sparks Surge of Microscopic Life Weather Blog Ailing “Megaberg” Sparks Surge of Microscopic Life March 6, 2026 A Little Town with a Long Name Weather Blog A Little Town with a Long Name March 5, 2026