Bardabunga!

Sounds like something Bart Simpson might have said, once upon a time, but it's an Icelandic volcano which might disrupt European air travel with its ash cloud.

REYKJAVIK, Iceland (AP) — Iceland's Bardarbunga volcano began erupting Saturday under the country's largest glacier after a week of seismic activity rattled the area with thousands of earthquakes, the country's Meteorological Office said.

The eruption prompted Iceland to raise its aviation alert level to red — the highest level on a five-point scale — indicating the threat of "significant emission of ash into the atmosphere."

Seismic data indicates that magma from the volcano is melting ice beneath the Dyngjujokull icecap on the Vatnajokull glacier, Met Office vulcanologist Melissa Pfeffer said.

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