Steaming Fumarole is a photograph by Eva Lechner which was uploaded on June 27th, 2022.
Steaming Fumarole
A fumarole (or fumerole) is a vent in the surface of the Earth or other rocky planet from which hot gases and vapors are emitted, without any... more
by Eva Lechner
Title
Steaming Fumarole
Artist
Eva Lechner
Medium
Photograph
Description
A fumarole (or fumerole) is a vent in the surface of the Earth or other rocky planet from which hot gases and vapors are emitted, without any accompanying liquids or solids. Fumaroles are characteristic of the late stages of volcanic activity, but fumarole activity can also precede a volcanic eruption and has been used for volcano prediction. Most fumaroles die down within a few days or weeks of the end of an eruption, but a few are persistent, lasting for decades or longer. An area containing fumaroles is known as a fumarole field.
The predominant vapor emitted by fumaroles is steam, formed by the circulation of groundwater through heated rock. This is typically accompanied by volcanic gases given off by magma cooling deep below the surface. These volcanic gases include sulfur compounds, such as various sulfur oxides and hydrogen sulfide, and sometimes hydrogen chloride, hydrogen fluoride, and other gases. A fumarole that emits significant sulfur compounds is sometimes called a solfatara.
Uploaded
June 27th, 2022
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