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lava fountain

   Also found in: Wikipedia 0.01 sec.
lava fountain [′lä·və ‚fau̇nt·ən]
(geology)
A jetlike eruption of lava that issues vertically from a volcanic vent or fissure. Also known as fire fountain.


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At another eruption in Hawaii, the lava fountains became high enough that the wind carried chunks of pumice, or frothy lava that has cooled and hardened into lightweight stones filled with bubbles, onto our campsite.
As the first light of dawn paled the eastern sky over the rounded shoulder of Fernandina Island, Captain Morrell's vivid words rang in my ears in every bewildering detail--the sparkling lava fountains shooting from the crater, the billowing incandescent cloud rising high into the atmosphere, the snaking rivers of molten rock, and the angry turmoil where the lava poured into the sea.
As one of the world's most active and spectacular volcanoes, lava fountains have in the past spewn out columns of burning hot molten up to 1,000 feet in the air.
 
 
 
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