Iceland volcano comes to life

Fountains of lava up to 60 meters high spurt from a fissure in the ground on the north side of the Bardarbunga volcano in Iceland, Sept. 2, 2014. The alert warning for the area surrounding Iceland's Bardarbunga volcano was at orange, indicating that it is showing increased unrest with greater potential for an explosive eruption.

Lava on Holuhraun

A close up of lava from an eruption on Holuhraun, northwest of the Dyngjujoekull glacier in Iceland, Sept. 1, 2014. Lava fountains danced along a lengthy volcanic fissure near Iceland's subglacial Bardarbunga volcano, prompting authorities to raise the aviation warning code to the highest level and close the surrounding airspace on Aug. 31. The warning was lowered 12 hours later as visibility improved and it was clear that no volcanic ash was detected.

Smoke from Holuhraun

A plume of smoke rises from the lava eruption on Holuhraun, northwest of the Dyngjujoekull glacier in Iceland, Sept. 1, 2014.

Bardarbunga volcano erupts

Steam and smoke rise over a 1-km-long fissure in a lava field north of the Vatnajokull glacier, which covers part of Bardarbunga volcano system, Aug. 29, 2014. The eruption is at the tip of a magma dyke around 40 km from the main Bardarbunga crater.

Bardarbunga volcano erupts

The lava flows on the the ground after the Bardabunga volcano erupted again on August 31, 2014. Scientists estimate the fissure to be at least 1.5 kilometres long. The lava is estimated to be six to eight metres thick and flowing at a rate of about 1,000 cubic metres per second.

Bardarbunga volcano erupts

Iceland's Bardarbunga volcano is seen Aug. 23, 2014, in this aerial picture provided by the Icelandic National Broadcasting Service.

Bardarbunga volcano erupts

A warning sign blocks the road to Bardarbunga volcano, some 12.5 miles away, in the north-west region of the Vatnajokull glacier, Aug. 19, 2014.