نتایج جستجو برای: explosive eruptions
تعداد نتایج: 17503 فیلتر نتایج به سال:
[1] Strombolian eruptions, common at basaltic volcanoes, are mildly explosive events that are driven by a large bubble of magmatic gas (a slug) rising up the conduit and bursting at the surface. Gas overpressure within the bursting slug governs explosion dynamics and vigor and is the main factor controlling associated acoustic and seismic signals. We present a theoretical investigation of slug ...
Mount Etna is Europe’s largest and most active volcano. In recent years, it has displayed enhanced explosive activity, causing concern amongst local inhabitants who frequently have to live with, and clean up, substantial ashfall. Basaltic volcanic ash is generally considered unlikely to be a respiratory health hazard due to its often coarse nature (with few particles sub-10 μm diameter) and lac...
Abstract Water and carbon dioxide are the most abundant volatile components in terrestrial magmas. As they exsolve into magmatic vapour, promote magma buoyancy, accelerating ascent modulating eruptive dynamics. It is commonly thought that an increase pre-eruptive content produces eruption intensity. Using a conduit model for basaltic eruptions, covering upper 6 km of conduit, we show same chamb...
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