Researchers examining the prehistoric drawings in the famed Chauvet-Pont D’Arc cave believe they have found evidence of the oldest known depiction of a volcanic eruption.
The Iceland Meteorological Office has increased the risk of an eruption at Bárðarbunga (or Bardarbunga) volcano, after hundreds of earthquakes were reported over the weekend. The risk level has been set to orange, which is the fourth-highest on a five-level scale.