Mud volcano islands don’t last because they ... and often dissolve under the effects of: ・Wave erosion: The Caspian Sea’s currents gradually wash away the unstable mud.

Mud volcanoes often exhibit calderas, which are large circular depressions at their summit. Detailed mapping around the Caspian Sea suggests that caldera-forming mud volcanoes are dynamically ...

The Borealis Mud Volcano, 400 metres below the surface ... both on land and offshore in the Caspian Sea, NASA's Earth Observatory stated. Heavy rain washed volcanic mud and debris through a ...

Guatemala’s Volcano of Fire is erupting, and authorities have evacuated nearly 300 families while warning that another 30,000 people in the area could be at risk. The eruption started overnight.

The biggest danger from the volcano are lahars, a mixture of ash, rock, mud and debris, that can bury entire towns. A 2018 eruption killed 194 people and left another 234 missing. Isaac García ...