types of eruptions from volcanoes
I n a Strombolian-type eruption observed during the 1965 activity of Irazu IrazÃº volcano In Costa, rica huge clots of molten lava burst from the summit crater to form luminous arcs through the. Sky collecting on the flanks of the, cone lava clots combined to stream down the slopes in fiery. rivulets uring an episode of activity, a volcano commonly displays a distinctive pattern of behavior. Some mild eruptions merely discharge steam and other gases, whereas other eruptions quietly extrude quantities of lava.