On 21 May 2011 at 19:25 UTC, an eruption began, with 12 kilometers high plumes accompanied by multiple earthquakes, Eldgos í Grímsvötnum , 24 May 2011 (in Icelandic) resulting in cancellation of 900 flights in Iceland, Iceland Volcano and Earthquake blog and in the United Kingdom, Greenland, Germany, Ireland and Norway on 22–25 May. Until 25 May, the eruption scale had been larger than that of the 2010 eruption of Eyjafjallajökull.