KnowraVolcanic gasLinked fromLinked fromThe 47 pages that link to Volcanic gas, each with the reason it gives.All 47Broader topic 2Related 44Compared with 1Volcanic eruptionBroader topic: As magma rises and pressure falls, expanding gases can fragment it and drive explosive activity.OutgassingBroader topic: Magma releases dissolved gases during ascent, driving eruptions and persistent emissions.