BackgroundThe Quaternary basaltic-andesite shield volcano Fumarole Butte in west-central Utah is dated 0.9 million years ago. Hot springs are found on the eastern flanks (Nash, in Wood and Kienle 1990).
Source: Smithsonian / GVP volcano information
Fumarole Butte Photos
Sulfur deposits and escaping gas from fumaroles on Vulcano volcano's La Fossa crater rim. (Photo: Tom Pfeiffer)
Hot drops of sulfuric acid at a fumarole of Stefanos crater on Nisyros volcano, Greece (Photo: Tobias Schorr)
Fumarole at the crater of La Fossa volcano, Vulcano Island, Eolian Islands, Italy (Photo: Tom Pfeiffer)
White gypsum and yellow sulphur deposits form bizarre crusts around the fumaroles that have temperatures mostly between 100 and 300 degrees centigrade. (Photo: Tom Pfeiff...
See also: Sentinel hub | Landsat 8 | NASA FIRMS