The earthquake swarm began in the northwestern region of Iceland's Bárðarbunga volcano at 6:00 a.m. local time Tuesday morning (Jan. 14), with the largest reaching a magnitude of 5.1 at 8:05 a.m ...

More than 130 earthquakes were registered Tuesday at Iceland's large Bardarbunga volcano ... The largest earthquake registered a 5.1 magnitude, it said, while 17 other earthquakes with a magnitude ...

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?