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fissure eruption

British  

noun

  1. the emergence of lava from a fissure in the ground rather than from a volcanic cone or vent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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The fissure eruption began at around 8:45 p.m.

From Washington Times

The last one was at Holuhraun in 2014, when a fissure eruption spread lava the size of Manhattan over the interior highland region.

From Washington Times

Appearing like a crack in the surface, the feature looks like a recent fissure eruption, where subsurface volcanic activity has caused superheated volcanic ash and dust to burst through the surface.

From New York Times

A fissure eruption from Kilauea, which travels along a fracture in the crust, rather than out a single vent, overtook the Leilani Estates, where about 1,700 people lived.

From Salon

“Gas emissions from the fissure eruption and at the ocean entry continue to be very high,” the Civil Defense Agency said.

From Reuters