The drifting ash from the volcano near the Eyjafjallajoekull glacier, about 120 km east of the Icelandic capital of Reykjavik, poses a serious threat to jet engines, and also reduces visibility.
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The duration of the closures was uncertain due to both changeable wind and weather conditions, and the actual seismic activity at the volcano.
Image: Smoke and steam hangs over the volcano under the Eyjafjallajokull glacier in Iceland on April 14, 2010, which has erupted for the second time in less than a month, melting ice, shooting smoke and steam into the air and forcing hundreds of people to flee rising floodwaters.
Text: DPA/IANS
Images: AP