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The 47 pages that link to Volcanic gas, each with the reason it gives.

• Volcanic hazardRelated: Gas exposure can poison people and livestock, while sulfur dioxide can generate hazardous air pollution.

• StratovolcanoRelated: Gas expansion can drive the explosive eruptions associated with stratovolcanoes.

• Volcanic arcRelated: Subduction-derived water and other volatiles influence arc magma and its eruptions.

• Hydrogen sulfideRelated: Volcanic emissions can release hydrogen sulfide alongside sulfur dioxide.

• VolcanismRelated: Expanding gas can drive eruptions as pressure falls during ascent.

• Sulfur dioxideRelated: Volcanic eruptions can emit large quantities of SO₂, affecting air quality and climate.

• Deccan TrapsRelated: Gases from Deccan eruptions may have altered climate during the extinction interval.

• Lava domeRelated: Gas trapped beneath a dome can build pressure and contribute to explosive activity.

• Mercury (element)Related: Volcanic emissions can carry mercury into the atmosphere before it deposits onto land or water.

• Volcanic craterRelated: Gas measurements at crater vents help track changes in volcanic activity.

• Flood basaltRelated: The amounts and timing of gas release determine much of the environmental impact.

• Volcano monitoringRelated: Changes in gas composition or emission rates can indicate changes in magma supply.

• KīlaueaRelated: Kīlauea’s sulfur dioxide emissions can form vog and threaten air quality.

• VolcanologyRelated: Gas escape can signal changing magma conditions and help drive explosive eruptions.

• Sulfur cycleRelated: Volcanic emissions transfer sulfur from Earth’s interior into the atmosphere.

• Volcanic Explosivity IndexRelated: Gas expansion helps drive explosive fragmentation and rising eruption columns.

• Large igneous provinceRelated: Gas emissions from rapid, extensive eruptions can alter atmospheric chemistry and climate.

• Volcanic ventRelated: Gas escapes through vents and helps drive some eruptions.

• VolcanoRelated: Gas content and escape help determine whether an eruption is explosive.

• Mount ErebusRelated: Gas bubbles drive lava-lake convection and carry heat from Erebus's magma.

• Mount EtnaRelated: Gas emissions at Etna provide clues to magma movement and can create local exposure risks.

• Strombolian eruptionRelated: Gas bubbles accumulate in magma and drive the eruption’s intermittent explosions.

• Volcanic rockRelated: Escaping gas creates vesicles and helps shape eruptive deposits.

• Central American Volcanic ArcRelated: Gas emissions reveal the volatile-rich magmas generated above the subducting plate.

• Explosive eruptionRelated: Gas emissions can signal changing magma conditions and create hazards during eruptions.

• Fissure ventRelated: Gas expansion helps drive eruptions and can make fissure openings hazardous.

• Lava lakeRelated: Escaping gas drives bursts, spattering, and other visible activity at lake surfaces.

• ParícutinRelated: Expanding gas helped drive the explosive activity that built Parícutin.

• Volcanic tourismRelated: Invisible or concentrated emissions can endanger visitors even without an eruption.

• Fissure eruptionRelated: Gas escape helps drive explosive fountains and affects hazards during fissure activity.

• Submarine volcanoRelated: Gas measurements can indicate magma movement and influence seawater chemistry.

• Volcano seismologyRelated: Gas movement can generate seismic signals, but its contribution may be difficult to separate from magma motion.

• FumaroleRelated: These gases make up fumarole emissions, with proportions shaped by underground conditions.

• Taal VolcanoRelated: Gas emissions help monitor Taal's activity and can pose local health risks.

• Mount AsoRelated: Gas emissions at Nakadake can make crater areas hazardous even without an eruption.

• Mount PaektuRelated: Gas emissions could help distinguish magmatic activity from other causes of unrest.

• PopocatépetlRelated: Gas emissions provide evidence of changing conditions at the volcano.

• KoryakskyRelated: Gas emissions provide evidence of ongoing magmatic activity at Koryaksky.

• Mount BromoRelated: Gas emissions provide evidence of activity at Bromo’s crater.

• Mount NyiragongoRelated: Gas emissions from the crater and nearby vents create hazards beyond lava flows.

• Whakaari / White IslandRelated: Gas emissions provide clues to activity while posing inhalation and corrosion hazards.

• Carbonyl sulfideRelated: Volcanic emissions release carbonyl sulfide directly into the atmosphere.

• GalerasRelated: Gas emissions help scientists track changes in Galeras’s magmatic activity.

• Mount AsamaRelated: Gas emissions provide evidence of continuing magmatic activity at Asama.