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Volcanic eruptions in Iceland are capable of affecting air traffic across Europe, as the Eyjafjallajokull volcano showed by grounding flights for a week in 2010.

Now, recent tremors around the much larger Katla volcano indicate that it may be nearing eruption as well. Experts are concerned that such an event could bring global travel disruptions and flooding from melted glaciers.
 
Al Jazeera's Barnaby Phillips reports from southern Iceland.

Source: Al Jazeera