THE VOLCANOES
Volcanic Fumaroles
How it arises
Emission point or an opening in the Earth's surface through which vapor and other gases escape
Volcanic Géiser
How it arises
Very rare natural phenomenon, which refers to a special type of hot spring that periodically emits a column of hot water and steam into the air.
Thermal Sources
How it arises
They are hot water springs that contain various mineral salts.
Mud Volcano
How it arises
They spew water vapor that drags away the earth that had accumulated in the crater and in the cone in the form of mud