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.

A volcano on Iceland’s Reykjanes Peninsula erupted Wednesday night, marking its seventh event since December. The eruption, which began at 11:14 p.m., opened a 3-kilometer fissure but is smaller in scale compared to previous eruptions earlier this year, according to the Icelandic Meteorological Office.