On 21 May 2011 at 19:25 UTC , an eruption began , with high plumes accompanied by multiple earthquakes , resulting in cancellation of 900 flights in Iceland , 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 . The eruption stopped at 02:40 UTC on 25 May 2011 , although there was some explosive activity from the tephra vents affecting only the area around the crater
2010 eruption
2010 eruptions of Eyjafjallajökull
Grímsvötn