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Hawaii Volcano “Drainhole Piston”

Aerosols smaller than 1 micrometer are mostly formed by condensation processes such as conversion of sulfur dioxide (SO2) gas (released from volcanic eruptions) to sulfate particles and by formation of soot and smoke during burning processes. After formation, the aerosols are mixed and transported by atmospheric motions and are primarily removed by cloud and precipitation processes. Video courtesy of United States Geological Survey. [youtube=http://www.youtube.com/watch?v=hK-HWOIP6Gs&hl=en&fs=1]