A peculiar “Ghost” island has reappeared in the Caspian Sea, continuing its centuries-long cycle of sudden emergence and ...

An island emerges from the waters, then vanishes, as if it never existed. In the Caspian Sea, this phenomenon has been ...

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

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

In 2023 an island appeared in the Caspian Sea, about 25 km off Azerbaijan's east coast, and disappeared a year later. NASA ...

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

A 'ghost' island that suddenly appeared in the Caspian Sea in early 2023 is playing a centuries-long game of peekaboo with ...

In the first image from November 2022, the underwater mud volcano is solidly beneath sea level, with no discernable land ...

In 1863, a Russian paleontologist and mining engineer made his way through the Eocene strata of the Caucasus to the shores of ...

Not much is understood about mud volcanoes, but their violent eruptions cause tiny islands to form and disappear within ...

Azerbaijan is home to more than 300 mud volcanoes, both on land and offshore in the Caspian Sea, NASA's Earth Observatory ...