![]() ![]() By nightfall, 20 flights had been cancelled to and from Göteborg Landvetter Airport, with anticipated wind shift bringing the ash clouds from southwestern Sweden to the northeast, possibly reaching Stockholm's Arlanda Airport by 02:00 on Wednesday morning. The BBC has provided a list of affected flights to and from Irish airports. Certain flights from Northern Ireland were also grounded. British Airways, KLM, Aer Lingus, Flybe, BMI, Loganair, Eastern Airways, EasyJet, and Ryanair cancelled most flights in the Scotland region, seeing Wales' Cardiff Airport also cancelling inbound and outbound flights by airline Flybe. On 24 May, more than 1,600 flights were grounded as ash clouds travelled over Scotland, with airports in Scotland and northern England closed and 250 UK flights grounded. īy 23 May, authorities in Denmark closed airspace below 6.4 km (21,000 ft) in the northwestern part of the country, with some delays and cancellations at Copenhagen. Part of Greenland's eastern airspace was also closed, with one flight being cancelled by Air Greenland between Denmark's Kastrup Airport and Greenland's Kangerlussuaq Airport. ![]() Transatlantic flights had also experienced delays, and the threat of further air travel disruption cut US President Barack Obama's state visit to Ireland a day short. On 22 May, Iceland closed down its main airport Keflavík International Airport, with domestic flights operated from Reykjavík Airport cancelled as well. Effect on flights Ī total of 900 flights (out of 90,000 in Europe) were cancelled as a result of the eruption in the period 23–25 May. The ash emitted from Grímsvötn is also more coarse than the smaller, more abrasive particles emitted from the Eyjafjallajökull eruption as a result of the basalt-based magma of the Grímsvötn volcano exploding through the glacier, rather than reacting with meltwater. The ash content from the Grímsvötn volcano in Iceland had a much lower silica content (50%) compared to the ash from the 2010 eruptions of Eyjafjallajökull (63%), giving the latter a higher viscosity. Visual observations indicated that little ice meltwater was produced during the eruption, so that an outburst flood ( jökulhlaup) was not expected. On 26 May the IMO and the University of Iceland reported that ashfall was only occurring adjacent to the eruption site. There was widespread ash in cloud layers up to 5 km from the eruption site. Pulsating explosions continued to produce ash and steam clouds, some reaching a few kilometers in height, rising up from the vents. At 15:00 the IMO issued an update stating that no further ash plume was expected. Later the BBC reported that the volcanic activity appeared to have stopped. On 25 May, the Icelandic Meteorological Office (IMO) confirmed the eruption had paused at 02:40 UTC. Glacial flooding was anticipated, which normally occurs within 10–12 hours after eruption, but it never occurred as a flood had occurred the previous autumn, meaning a smaller chance of another flood appearing. A series of small earthquakes had commenced at the time of eruption. The eruption plume quickly rose to 65,000 feet (20 km). At around 19:00 UTC, the eruption broke the ice cover of the glacier and started spewing volcanic ash into the air. The eruption is estimated to have started under the glacier at around 17:30 UTC on when an intense spike in tremor activity was detected. The Grímsvötn eruption was the largest eruption in Iceland for 50 years. The last eruption of Grímsvötn was in 2004, with the previous most powerful eruptions in 1783, 18. 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–. Grímsvötn covered in ash three months after the eruption ![]()
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