The Bárðarbunga volcano system was responsible for Iceland's largest eruption for 300 years back in 2014. After a recent increase in seismic activity, could it be about to erupt again?

The aviation color code over the area has been changed from green to yellow as a precaution, the Icelandic meteorological office said.

More than 130 earthquakes were recorded on Tuesday at the massive Bardarbunga volcano, raising concerns about a potential eruption, according to Iceland's Meteorological Office.