Mon, May 23, 2011 - Page 6 News List

Iceland’s most active volcano erupts

KEEPING AN EYE OUT:Officials were closely monitoring flight risks after the Grimsvotn volcano erupted one year after Eyjafjallajokull shut down European airspace for days


A cloud of smoke and ash is seen over the Grimsvotn volcano in Iceland on Saturday.

Photo: AFP

Iceland’s most active volcano erupted on Saturday, hurling a plume of ash and smoke far into the sky, which aviation officials were closely monitoring after another volcano shut European airspace for days last year.

Authorities banned flights close to the Grimsvotn volcano, but an official said the eruption was not expected to affect European airline traffic at least for the next 24 hours.

The plume from the Grimsvotn volcano shot 20km into the sky. The Web site of newspaper Morgunbladid said the eruption was more powerful than its last in 2004.

“We have closed the area until we know better what effect the ash will have,” said Hjordis Gudmundsdottir, spokeswoman for the Isavia civil aviation authority which has imposed a flight ban of 120 nautical miles (222km) around the area.

Iceland’s Eyjafjallajokull caused chaos when it erupted in April last year. Authorities halted flights because of fears that dust and ash would get into aircraft engines and cause accidents after the cloud was blown into European air traffic lanes.

Grimsvotn lies under the Vatnajokull glacier in southeast Iceland, the largest glacier in Europe. When it last erupted in 2004, transatlantic flights had to be rerouted south of Iceland, but no airports were closed.

Gudmundsdottir said the winds in the area were strong and that Isavia and the Icelandic meteorological office were coordinating with the Volcanic Ash Advisory Center (VAAC), which advise airlines about the movement of clouds of volcanic ash.

There are two VAACs near Iceland, in London and the French city of Toulouse.

“It can be a big eruption, but it is unlikely to be like last year,” Icelandic Met Office geologist Hjorleifur Sveinbjornsson said, referring Eyjafjallajokull.

He said the plume from Grimsvotn was going to the north and that the office’s forecast for the next 24 hours was that ash would not affect European airline traffic.

The volcano could erupt for several days, he added.

One positive factor for air traffic was that the ash from this eruption was heavier, whereas the ash last year was lighter and so drifted further.

Domestic airline Icelandair said no traffic had been affected.

“We do not expect the Grimsvotn eruption to affect air traffic to and from the country in any way,” Icelandair communications director Gudjon Arngrimsson said.

Pictures on local media Web sites showed a thick cloud of white smoke like a mushroom cloud over surrounding mountains.

“Grimsvotn is a very powerful volcano, so we’re monitoring it closely, even if the last few eruptions have been harmless,” University of Iceland geophysicist Pall Einarsson was quoted as saying on the Web site of Morgunbladid.

“We do not expect this to be a big one, as it’s coming from the same crater as the last three eruptions, which were all small,” he added.

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