BBC reports that there has likely been a volcanic eruption under the country’s biggest glacier nearby the recently active Bardarbunga, which has moved the alert level to red, the highest level. It is possible that this eruption, and resulting ice melt will trigger other eruptions. See the previous CauseScience posts on recent activity of the Bardarbunga volcano.
Iceland has issued a red alert to aviation after indications that a volcano has erupted under the country’s biggest glacier, the Vattnajokull.
The Icelandic Met Office warned that a small eruption had begun under the Dyngjujokull ice cap.
Seismic activity is continuing at the Bardarbunga volcano, about 30km away.