fissure eruption

British  

noun

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

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Example Sentences

The platinum spike may have come from a volcanic fissure eruption in Iceland rather than an object from space.

From Science Daily

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