Classification of Volcanic Eruptions » Hawaiian Eruptions

"Hawaiian" eruptions may occur along fissures or fractures that serve as linear vents. In fissure-type eruptions, molten, incandescent lava spurts from a fissure on the volcano’s flank and feeds lava streams that flow downslope. Such eruptions rarely produce volcanic ash.

Magma fountaining at fissures during the 1984 eruption of Mauna Loa Volcano.

Fountaining and lava flow from Pu'u O'o.In central-vent eruptions, a fountain of fiery lava spurts to a height of several hundred feet or more building a cone of spatter around the vent.