Iceland's seismic monitors say the eruption created a fissure around 3 kilometers, but they estimated the eruption was considerably smaller than the previous eruption in August.

The eruption poses no current threat to air travel but authorities are warning of gas emissions across the surrounding area.

A volcano in southwestern Iceland erupted on Wednesday night, November 20, marking its seventh eruption since last December. The eruption occurred on the Reykjanes Peninsula, sending molten lava flowing toward the Blue Lagoon spa,