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The Dieng fumaroles are volcanic gas vents within the Dieng volcanic complex, a high plateau and caldera region in Central Java, Indonesia. They release steam and gases produced by an active hydrothermal system, and some vents and nearby depressions can accumulate dangerous concentrations of carbon...
Mount Ontake is an active stratovolcano on the border of Nagano and Gifu prefectures in central Japan, standing approximately 3,067 meters tall. Fumaroles on the mountain release volcanic gases including hydrogen sulfide and sulfur dioxide. On September 27, 2014, Mount Ontake experienced a sudden ph...
Kikhpinych is a stratovolcano on the Kamchatka Peninsula in eastern Russia. On its eastern flank lies a geothermal area known as Death Valley (Dolina Smerti), where fumaroles emit carbon dioxide, hydrogen sulfide, and other gases that accumulate in topographic depressions. Animals including bears, f...
The Ketetahi fumaroles are geothermal steam vents on the northern side of Mount Tongariro, an active volcanic complex in New Zealand's central North Island. They release heated gases and vapor from the volcanic system and are visible near the Ketetahi section of the Tongariro Alpine Crossing. The ve...
Dieng Timbang Crater is a CO2 vent on Indonesia's Dieng Plateau, a complex where toxic gas killed 149 people during the 1979 eruption.
The Sugo-oc Fumarole Field is a geothermal area in the Philippines, known for its vigorous hydrothermal activity that has been evaluated for commercial power generation.
