a
vulcanian eruption is typefied by an
explosion of
gas from the
crater which is heavily laden with
ash which forms a
white cloud near the upper level of the
cone. a large grey or black cloud muchrooms upward.
lightning in the
cloud is common. any lava that is ejected is thick and
viscous, and the
explosion of materials is usually
moderate to
violent.
vulcanian eruptions are named after the cone of Vulcano, a volcanic island west of
Italy.