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BREAKING: Icelandic Volcano Begins to Erupt

The Bardarbunga volcano began to erupt Friday in Iceland, according to the Icelandic Met Office.

The eruption started in Holuhraun, north of Dyngjujökull, which is located in northern Vatnajökull. Scientists who are in the area close to the eruption estimate that the volcanic fissure in Holuhraun is about 1 km (0.62 miles) long, according to the Iceland Civil Protection Department.

If there is a large eruption, it may seriously impact international travel, Meteorologist Alan Reppert said.

"With the remains of Cristobal pushing over Iceland late in the weekend and early next week, there is a chance the winds above the volcano could push ash and debris south over the central and even western Atlantic," Reppart said. "Depending on how the storm dissolves, this may bring an even stronger push of winds southward into the Atlantic over the end of the week."

A Code Red aviation travel warning with a no-fly zone was issued Friday by the Met Office. The office said a significant emission of ash into the atmosphere was likely.

Ice crevasses formed Wednesday in advance of Friday's eruption, officials from the Met Office, the Institute of Earth Sciences and Civil Protection. The crevasses or cauldrons were likely formed due to melting at the ice bottom.

A magnitude-5.0 earthquake was reported at 8:13 a.m. local time in the Bardarbunga area, Civil Protection and the United States Geological Survey reported.