Bloomberg. Iceland warned airlines that there may be an eruption at one of the island’s largest volcanoes located underneath Vatnajökull, Europe’s biggest glacier.
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"The alert level at Bardarbunga was raised to “orange, ” indicating “heightened or escalating unrest with increased potential of eruption,” the Reykjavik-based Met Office said in a statement on its website. Over 250 tremors have been measured in the area since midnight. The agency said there are still no visible indications of an eruption."