Kumani Bank mud volcano has produced transient islands multiple times since its first recorded eruption in 1861.

A mysterious "ghost island" formed by an underwater mud volcano appeared in the Caspian Sea in 2023 only to vanish again ...

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...

NASA discovered a ghost island in the Caspian Sea that emerged in early 2023 but has since vanished again. This island has ...

A mysterious island emerged and then vanished from the surface of the Caspian Sea within less than two years. Experts ...