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Fumaroles on the Gran Cratere della Fossa, the main crater of Vulcano, on the island of the same name. Aeolian Islands in the background. Sicily, Italy
In active volcano crater (volcanic vent) - lava with fragmentary scoriae (cinder block lava), fumarole, solfataras, volcanic emanations (sour, hydrogen sulfide gas), sulfur deposits, etc. Kamchatka
Tourists exploring the beautiful landscape of Ijen volcano and looking at the scenic blue fire and yellow sulfur smoke during sunrise on java island, Indonesia
Mt.iyo in teshikutu
Geothemal steam emerging from the volcanic land on top of  the Gran Cratere of Vulcano island, Aeolian islands, Tyrrhenian Sea, Sicily, South of Italy, Europe
Sulphur pieces on Iozan (sulfur mountain) active volcano area, Akan National Park, Hokkaido, Japan
geological hammer in the rock against the backdrop of an steaming fumarole on the slope of a volcano
A close-up of the yellow rock made of sulfur while steam vents in the background on Mt. Io. An active volcano in Hokkaido.
Gray Hydrogen Volcano and Volcano Craters on Vulcano Island, Lipari, Italy. Sunset, Gas, Sulfur, Poisonous Pairs, Evaporation.
Volcanic views and traditional sulfur mining are the main attraction at Ijen volcano, East Java, Indonesia.
Vulcano Island at sunset
Hverir, Iceland
Inside of a toxic, sulphuric crater of a volcano from a hiking trail on the top. Volcano, Lipari Islands in the background.
Rear view of a hiker photographing with the smartphone the sunrise among hot steam of the caldera of Vulcano island, Aeolian islands, Tyrrhenian Sea, Sicily, South of Italy, Europe
Italy, Pozzuoli, Solfatara - (Sept. 10. 2024) -Natural minerals containing the elements Arsenic and Mercury combined with sulfur.
Corn being boiled in a volcanic spring in a public park in the center of Furnas on the Portuguese Azorean Island San Miguel in the center of the North Atlantic Ocean
Gray Hydrogen Volcano and Volcano Craters on Vulcano Island, Lipari, Italy. Sunset, Gas, Sulfur, Poisonous Pairs, Evaporation.
High up on Mt. Io, Hokkaido where a large geothermal steam vent spews out hot gasses and sulfur. Large deposits of yellow sulfur can be seen around the base.
In active volcano crater (volcanic vent) - lava with fragmentary scoriae (cinder block lava), fumarole, solfataras, volcanic emanations (sour, hydrogen sulfide gas), sulfur deposits, etc. Kamchatka
Kjolur Interior, Iceland - August 29, 2010: A lone female hiker ascends a ridge top trail in the steaming volcanic Kerlingarfjoll Mountains, or Witch Mountain, in the Interior of the county which is open to tourists mid-summer only.
Sulphurous fumaroles are released on the top of the volcano's crater, coloring the surrounding rocks yellow, Vulcano Island, Aeolian Islands, Sicily, Italy..
Tourists on rainy day at Sulfur Mountain which is an active volcano not far from Lake Mashu and is part of Akan National Park on north Japan. In front of them is fence with warning sign that is dangerous to enter the smoking, steaming area. Iozan Volcano area surroundings are yellow from sulfur. It is smoking area where the Eggs can be cooked by the natural heat of the mountain.
the sulfur fog/smoke of Ijen, Indonesia
the top of volcano Pico de Teide against clear blue sky, smoke coming out of the top of crater.
Close-Up Of Yellow Sulphur
At the top of the volcano Mt. Io in Hokkaido shows the caldera.
Gray Hydrogen Volcano and Volcano Craters on Vulcano Island, Lipari, Italy. Sunset, Gas, Sulfur, Poisonous Pairs, Evaporation.
Palma volcanic Eruption. El Paso.\n\nBurnt trees, and ashes on the road.
Ebeko  Volcano, Paramushir Island, Kuril Islands, Russia
A vintage 1980s film photograph aerial view of the active volcanos in Hawaii Volcanoes National Park.
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