On volcanoes, a fissure is an elongated fracture or crack at the surface from which lava erupts. Fissure eruptions typically dwindle to those at a central vent after a period of hours or days.

Drone photographer Jeroen Van Nieuwenhove flew over the fissure caused by the volcano in the early hours of 21 November, filming the lava flow, which, according to the Icelandic Meteorological ...