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The 2011 eruption of Grímsvötn was a Plinian eruption of Grímsvötn, Iceland's most active volcano, which caused disruption to air travel in Northwestern Europe from 22–25 May 2011. The last eruption of Grímsvötn was in 2004, [ 2 ] with the previous most powerful eruptions in 1783, 1873 and 1902.
Studies indicate that volcanic activity in Iceland rises and falls so that the frequency and size of eruptions in and around the Vatnajökull ice cap varies with time. It is believed that the four eruptions between 1996 and 2011 could mark the beginning of an active period, during which an eruption in Grímsvötn in Vatnajökull may be expected ...
The eruption in May 2011 at Grímsvötn under the Vatnajökull glacier sent thousands of tonnes of ash into the sky in a few days, raising concerns of the potential for travel chaos across northern Europe although only about 900 flights were initially disrupted. [35]
Name Location Elevation (m) Coordinates Last eruption Notes Askja: Iceland: 1,516 m (4,974 ft) 1961 [1]Eldfell: Iceland: 200 m (660 ft) 1973 [2]Krafla: Iceland: 800 m (2,600 ft)
The volcanic lake Grímsvötn was the source of a large jökulhlaup in 1996. [8] There was also a considerable but short-lived eruption of the volcano under these lakes at the beginning of November 2004. [9] On 21 May 2011 a volcanic eruption started in Grímsvötn in Vatnajökull National Park at around 19:00. [9]
In 2010, the Eyjafjallajökull volcano — part of a volcanic system in the east of the country — erupted and casted clouds of ash into the air that forced aerial shutdowns across Europe.
Officials said the latest eruption was less severe than the last one, which happened in August and resulted in multiple ground fissures as well as a subsequent 4.1-magnitude earthquake. The August ...
The eruption was the largest flood basalt in historic time (800 square kilometres (310 sq mi), [149] 18 cubic kilometres (4.3 cu mi) of magma. [ 150 ] ) [ 151 ] [ 152 ] Evidence from tree rings in the Northern Hemisphere indicates that 940 was one of the coolest summers in 1500 years.