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May 24th, 2011
Satellites Monitor Icelandic Ash Plume

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As Iceland’s Grímsvötn volcano spews ash high into the atmosphere, satellite observations are providing essential information to advisory centres assessing the possible hazards to aviation. The Grímsvötn volcano in southeast Iceland, which had been dormant since 2004, started erupting in the evening of 21 May. As a consequence, the country’s airspace has been closed. Memories are still fresh of the chaos caused by the Eyjafjallajoekull eruption just over a year ago. European air traffic suffered major disruption, with hundreds of flights grounded owing to safety concerns about the ash cloud. Although the Grímsvötn eruption is larger, it is unlikely to cause the same degree of disruption because the ash plume is being injected much higher into the atmosphere. Read More

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