The eruption of a volcano in Iceland has changed the air traffic in much of northern Europe, as reported by the airport authorities. Because the ash is limiting maritime traffic in the area between Scotland, Norway, northern Sweden and northern Finland. This volcano is near the glacier Eyjafjallajökull that since last Tuesday has cast a large volume of ash onto the south of the island and an area that extends over the North Sea to the coasts of Ireland, Scotland, Norway and Sweden . The proposed ash poses a risk to the aircrafts because it can affect the functioning of the turbines. In the United Kingdom, the British airport authorities have restricted the number of flights in its airspace. This morning they decided to close the airports of Heathrow, London (the world's largest international traffic, which will close from 11.00 GMT (13.00 in Spain), Manchester and Liverpool, in addition to Stansted, Gatwick, Aberdeen, Edinburgh and Glasgow and Newcastle by the arrival of the British skies Icelandic volcano ashes. They have also closed the airports of Oslo, Norway, and Belfast in Northern Ireland. In Spain, all flights to or from the affected area will be altered, as reported by AENA. The agency is evaluating how many flights could affect the progress of the volcanic cloud has advised that passengers should contact their airline. "Following advice from the Meteorological Office, the National Air Traffic Services (NATS) has this morning introduced restrictions in the airspace of the United Kingdom because of the ashes of a volcano are moving to the UK from Iceland". The low cost airline EasyJet has said that the fall of ash is causing "significant changes" on many flights into and out of Britain. The risk involved is that the ash may cause problems in jet engines and even stop the engines, which could eventually cause a crash. It could also reach into the interior of the cabin.