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| Volcanic Activity In Iceland | |
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| Tweet Topic Started: February 8 2011, 03:12 AM (2,072 Views) | |
| Mark (IWO) | February 8 2011, 03:12 AM Post #1 |
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![]() A thread focusing on Iceland and the potential for further volcanic activity, which last year led to the closure of European Airspace. Earthquakes during the last 48 hours HERE Tremor measurements HERE Eyjafjallajökull Webcam |
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| radiospu | February 8 2011, 10:56 PM Post #2 |
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Pall Einarsson, a professor of geophysics at the University of Iceland, says the area around Bárdarbunga is showing signs of increased activity, which provides "good reason to worry". http://bigthink.com/ideas/26821 |
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| Mark (IWO) | February 9 2011, 03:50 PM Post #3 |
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Scientists in Iceland are warning that another volcano on the island looks set to erupt, threatening to spew-out a blanket of dust that would dwarf last year's eruption. Geologists detected the high risk of a new eruption after noticing an increased swarm of earthquakes around the island's second largest volcano Bárdarbunga. Pall Einarsson, a professor of geophysics at the University of Iceland, says the area around Bárdarbunga is showing signs of increased activity, which provides 'good reason to worry'. Last year's eruption of volcanos near Eyjafjallajokull, located in the south of the island, caused chaos around the world as hundreds of planes were grounding due to dust and ash filling the sky. Read more: http://www.dailymail.co.uk/news/article-1355123/Icelandic-volcano-erupt-dwarfing-years-Eyjafjallajokull-devastation.html#ixzz1DTAig5e9 |
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| Mark (IWO) | February 11 2011, 07:34 PM Post #4 |
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Story doing the rounds on the internet: Another mammoth Icelandic volcano, Baroarbunga, is ready to erupt. This one could dwarf the Eyjafjallajokull glacier volcano that blew in 2010 causing havoc throughout Europe. That's the word that's streaming out of the northern island nation as geophysicists around the globe hold their breaths to see what will happen next. The Eyjafjallajokull eruption galvanized Europe and stunned the world with its unrelenting ferocity. It caused billions of dollars in loss, paralyzed European air travel and caused food and other commodities to spike upwards. Worried experts warn that this eruption could be much, much worse. University of Iceland geophysicists have warned of a significant rise in seismic activity in the area of Vatnajökull, the largest of Iceland’s glaciers. A swarm of earthquakes has erupted signaling the likely eruption of Bardarbunga, Iceland's second biggest volcano and one that sits directly above a major lava conduit. Baroarbunga, a stratovolcano towering 6,600 feet, is part of the island nation's largest volcanic system. The huge volcano's crater covers 43 square miles and is completely encased under glacial ice. Devastation in the 15th Century Baroarbunga's last major eruption was horrendous. It changed the weather pattern in northern Europe and darkened the skies for months during 1477. That gigantic eruption generated the largest lava flow in 10,000 years and significantly expanded Iceland's land mass. Grim experts concede that if the volcano's current activity culminates in an eruption equal to that of 1477, all of Scandinavia and much of northern Russia and Europe will be left reeling. The UK will be slammed by choking volcanic dust, grit and poisonous superheated gases. Commerce will grind to a halt, the skies will blacken for weeks, perhaps months, and agriculture would be severely affected. The late Cornell University professor, astronomer Carl Sagan, used the consequences of large volcanic eruptions impact on global cooling as part of his theoretical model for the frightening prospect of a nuclear winter. Ken Caldeira, an earth scientist at Stanford University, California, and member of Britain's prestigious Royal Society working group on geo-engineering, explained that "dust sprayed into the stratosphere in volcanic eruptions is known to cool the Earth by reflecting light back into space." |
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| Mark (IWO) | February 11 2011, 07:35 PM Post #5 |
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![]() Swarm of tremor activity in Iceland at present |
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| Jambo IWO | February 11 2011, 11:49 PM Post #6 |
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Icelandic volcano 'set to erupt' Scientists in Iceland are warning that another volcano looks set to erupt and threatening to spew-out a pall of dust that would dwarf last year's event. more here |
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| Mark (IWO) | February 12 2011, 08:20 PM Post #7 |
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Another swarm today![]() There was a mag 4 quake north of Eyjafjallajokull yesterday |
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| radiospu | February 13 2011, 07:08 PM Post #8 |
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Check out the earthquake cluster at Langjokull http://en.vedur.is/earthquakes-and-volcanism/earthquakes/langjokull/ |
| Science does not deal in absolute proofs. The scientific method depends upon falsification of alternative hypotheses until only one remains. | |
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| Mark (IWO) | February 25 2011, 12:22 PM Post #9 |
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mag 3.3 quake http://en.vedur.is/earthquakes-and-volcanism/earthquakes/atlantic/ |
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| Mark (IWO) | February 26 2011, 11:32 AM Post #10 |
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Swarm overnight, mostly 1-2 mag quakes http://en.vedur.is/earthquakes-and-volcanism/earthquakes/atlantic/ |
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| Jessie | February 26 2011, 03:13 PM Post #11 |
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Seems to big a lot of activity lately, hopefully it wont happen again |
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| Mark (IWO) | February 28 2011, 01:12 PM Post #12 |
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Huge level of activity. Most since May 2010![]() ![]() IWO STORY IN FULL |
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| Mark (IWO) | February 28 2011, 03:46 PM Post #13 |
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| Mark (IWO) | February 28 2011, 03:52 PM Post #14 |
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Geomorphologists believe the current spate of small earthquakes shaking southwest Iceland have enlarged the Reykjanes geothermal heat area, as more water is now able to come into contact with hot rocks. Car Rental Services in Iceland Olafur Flovenz, geomorphologist and president of Icelandic Energy Research told RUV it is not yet possible to say how many more days the current series of earthquakes, which began on Thursday, will continue. “These series come regularly and there was a big series of earthquakes around two years ago which people have been evaluating carefully in terms of geothermal energy research on the Reykjanes peninsula, and this is another series which people were not perhaps expecting quite so soon. It is impossible to say whether it will last,” he said. Flovenz believes, however, that the earthquakes are slowly coming to a halt — adding that there is no indication of a volcanic eruption in the area. Read more: http://www.icenews.is/index.php/2011/02/28/more-geothermal-energy-from-iceland-quakes/#ixzz1FGHMGA73 |
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| Mark (IWO) | March 1 2011, 12:14 PM Post #15 |
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| Mark (IWO) | March 1 2011, 12:24 PM Post #16 |
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Volcanic Activity In Iceland Could Power European Homes European energy consumers may soon benefit from the power that seethes beneath Iceland. Bloomberg says that Iceland is doing a feasibility study into building a 1,170- kilometre (727-mile) power cable to Scotland to send some of its untapped potential of 18 terawatt-hours of geothermal and hydropower — that’s enough for 5 million European homes. The project has the backing of the government, Industry Minister Katrin Juliusdottir said in an interview with Bloomberg. “Icelanders live with earthquakes and volcanic activity but the benefits are that now we can monetise these powers,” said Valdimar Armann, an economist at Reykjavik-based asset manager GAMMA, who estimates annual clean-energy exports could reach about a tenth of the island’s $12 billion economy. The island is trying to emerge from Europe’s biggest banking meltdown this century to restyle itself as one of the European Union’s main sources of renewable energy. |
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| GreystonesGal | March 1 2011, 08:41 PM Post #17 |
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That's a fantastic idea if it works, the world needs more people looking into these kinds of energy sources. Bet the Icelanders don't give it away free like we did with our GAS. 0-m-g- |
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No snowflake in an avalanche ever feels responsible. Voltaire | |
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| Mark (IWO) | March 15 2011, 01:16 PM Post #18 |
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Full throttle on the Vatnajokull Icecap in Iceland on 12 March, 2011. Vatnajokull is one of the most seismically active regions of Iceland. http://en.vedur.is/earthquakes-and-volcanism/earthquakes/vatnajokull/ |
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| Mark (IWO) | April 13 2011, 01:12 PM Post #19 |
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Today marks exactly one year since an explosive eruption at the Eyjafjallajökull volcano in Iceland led to the grounding of flights across much of Europe. An eruption on 13 April 2010 occurred the caused meltwater floods to rush down the nearby rivers, requiring 800 people to be evacuated. Volcanic ash was also thrown several kilometres up in the atmosphere. The ash particles spread across much of Europe, forcing controllers to close large swathes of air space and the cancellation of thousands of flights. On 23 May 2010, the London Volcanic Ash Advisory Commission declared the eruption to have stopped. Today seismic activity around Eyjafjallajökull has returned to normal. Meanwhile, airlines and air traffic controllers in Europe are today embarking on a 48-hour exercise to monitor new technology and procedures in the event of another volcanic eruption. Over 70 airlines, 14 air navigation service providers, ten national regulatory authorities, the Volcanic Ash Advisory Centre London (VAAC), as well as the European Commission, European Aviation Safety Agency and continent-wide air traffic organisation Eurocontrol are all involved. Eyjafjallajökull — Icelandic for "island-mountain glacier" — is one of the smaller ice caps of Iceland. It covers the caldera of a volcano with a summit elevation of 1,666 metres (5,466 ft) . The volcano has erupted relatively frequently since the last glacial period, most recently last year and from 1821 to 1823. http://www.irishweatheronline.com/news/one-year-on-from-the-volcanic-ash-cloud-crisis.html |
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| Patrick (IWO) | April 13 2011, 06:09 PM Post #20 |
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Really can't believe it is a year ago already 0-m-g- Saved this satellite animation image from the 7th May last year: ![]() The ash plume from Eyjafjallajökull (long narrow strip) can clearer be seen moving in SSE direction. If I remember correctly this was soon after one of the bigger eruptions. HIRLAM synoptic analysis chart around the time of satellite shot: ![]() |
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| SandraD77 | April 13 2011, 11:53 PM Post #21 |
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Awesome!
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Nice pic!!! |
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| Jessie | May 21 2011, 11:26 PM Post #22 |
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Time to wake up this thread I think .... Volcano erupts in Iceland, spurs 50 quakes White plume shoots 18,000 feet above the glacier that sits over the volcano |
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| Audi-Tek | May 22 2011, 01:18 AM Post #23 |
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Subglacial eruption starting at Iceland's Grímsvötn . Well, it looks like Iceland is going to be in the news again this summer. Jon Frimann and others noted a sharp increase in seismicity under the Vatnajökull icecap at Grímsvötn today and MBL.is has confirmed that if an eruption hasn't already begun under the icecap, then one is likely to be starting soon (in Icelandic, use Google Translate at your risk) according to geologist Louw Sveinbjörnsson. UPDATE: There is confirmation of an ash and steam plume possibly reaching 1.8 km / ~6,000 feet above the volcano (see images below), but again, the details are scant. The eruption itself appears to be from the Grímsfjall Crater. There is very little news that I can find in English for this event - but hopefully Jon and any one else in Iceland can keep us appraised with what is going on in Iceland. The danger now will be from jokulklaups within the next 10-12 hours draining to the south or ash disrupting air travel in and around Iceland. UPDATE 4:35 PM (Eastern): Icelandic officials and volcanologists will head out tomorrow morning (Icelandic) to overfly to inspect the area. However, a group near the volcano (Icelandic) will try to collect some samples of the ash. Police have also monitoring roads that could be hit by jokulhlaups. Also, currently the plume shows up impressively on satellite infrared images of Iceland. MSNBC and the AP now has news on the eruption - and MSNBC claims the plume has hit 5.4 km / 18,000 feet in height. Impressive to say the least. Also, be sure to check the Icelandic Met Office page for more information as it comes it. UPDATE 5:05 PM (Eastern): Definitely, an impressive plume reaching 5.5-6 km / 18,000-20,000 feet according to MBL.is (see below). UPDATE 6:00 PM (Eastern): Air traffic has been banned in a radius of ~200 km / 120 miles around the volcano (Icelandic) and any air traffic over Iceland will be routed south tonight. The eruption seems to be larger (Icelandic) than in 2004 as well. UPDATE 6:15 PM (Eastern): First video of the eruption - this from an aircraft (special thanks to Jon Frimann for tracking it down.) (see more updates below) ![]() Webcams: You can also see the plume on this Mila.is webcam (when its working; far left). You might be able to catch a glimpse on this webcam as well (far right). Here are some more webcams - check out Lomagnupor. ![]() [IMG]http://img.visir.is/apps/pbcsi.dll/bilde?Site=XZ&Date=20110521&Category=FRETTIR01&ArtNo=110529818&Ref=AR&MaxW=260& MaxH=260&NoBorder=1[/IMG] .The plume from Grímsvötn seen on May 21, 2011 (middle of image, on horizon on top image) Earlier this year, there were some predictions of an eruption under Vatnajökull made by Icelandic geologists that were quickly retracted as well. Grímsvötn last erupted in 2004 (see top left), with some impressive plumes produced by the eruption melting through the Vatnajökull icecap under which the volcano sits. You can check out my post on Vatnajökull (and the 7 volcanoes under the icecap) to find out about volcanism in that region of Iceland - and see the details of the jokulhlaup that occurred at Grímsvötn last fall that was not believed to be related to a subglacial eruption of the volcano.. Link to info page........ http://bigthink.com/ideas/38526 Edited by Audi-Tek, May 22 2011, 01:23 AM.
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| lostinashford | May 22 2011, 02:57 PM Post #24 |
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Icelandic airspace closed due to volcanic ash from Grimsvotn volcano according to Sky News |
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Climate is what we expect, weather is what we get. Mark Twain | |
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| Audi-Tek | May 22 2011, 03:04 PM Post #25 |
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Pictures of the eruption. Link ....... http://www.visir.is/album/20110522/FRETTIR01/522009996 |
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| Audi-Tek | May 22 2011, 03:11 PM Post #26 |
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Time to wake up this thread I think .... . Hope hope you didnt open a pandora box, jessie.... 0-m-g- 0-m-g-
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| Audi-Tek | May 22 2011, 03:15 PM Post #27 |
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Video of Iceland volcano eruption, giant ash clouds from Grimsvotn . Link to video ....... http://youtu.be/oMStcqHfwQ4 |
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| Mark (IWO) | May 22 2011, 04:43 PM Post #28 |
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Volcanic Eruption Forces Closure Of Icelandic Airspace An eruption of the Grimsvotn volcano under the Vatnajokull glacier in Iceland has forced the closure of airspace over and around the country's main airport. A spokesperson for Keflavik International Airport said the airport remains open but that “no planes will be taking off or landing” this afternoon. The situation will be reviewed later on Sunday. Europe's umbrella air traffic control association Eurocontrol said there is currently "no impact on European or transatlantic flights," and none was expected today. The Grimsvotn volcano, which began erupting yesterday, last erupted in 2004. It's just over one years since an explosive eruption at the Eyjafjallajökull volcano in Iceland led to the grounding of flights across much of Europe. An eruption on 13 April 2010 occurred the caused meltwater floods to rush down the nearby rivers, requiring 800 people to be evacuated. Volcanic ash was also thrown several kilometres up in the atmosphere. The ash particles spread across much of Europe, forcing controllers to close large swathes of air space and the cancellation of thousands of flights. http://www.irishweatheronline.com/news/earthquakesvolcanos/volcanic-eruption-forces-closure-of-icelandic-airspace/15215.html |
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| Jessie | May 22 2011, 05:15 PM Post #29 |
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Don't be blaming me if things get worse ... I didnt actually open the box, I just shook it a bit |
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| Mark (IWO) | May 22 2011, 05:27 PM Post #30 |
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Winds will back NW-N across Ireland on Thur and Fri, which may cause problems for air traffic should the volcanic eruption continue #iwo |
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| Mark (IWO) | May 22 2011, 05:34 PM Post #31 |
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Aerial view of the eruption of the volcano Grimsvotn in the south-east of Iceland. IMAGE EPA http://twitpic.com/513tem |
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| Jessie | May 22 2011, 05:36 PM Post #32 |
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A repeat of last year 0-m-g- .... hope it won't be as bad... seems to be a bigger eruption though... once Katla don't decide to get in on the action as well |
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| Audi-Tek | May 22 2011, 05:48 PM Post #33 |
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![]() Ash Plume Reaches 50 Thousand Feet Plume can now be seen from Reykjavík The ash plume rising from the Grímsvötn eruption under Vatnajökull glacier has reached a height of 50 thousand feet, according to Icelandic National Broadcasting Service RÚV. It can now reportedly be seen from Reykjavík. According to protocol, Vísir reports that flights have been banned within a 120 nautical mile radius of the eruption while conditions are evaluated. Some domestic flights have thus been rerouted. Isavia PR Agent Hördís Guđmundsdóttir said the eruption has not affected international flights in and out of Keflavík, though routes may be shifted further south. “There is good reason to consider all possibilities when Grímvötn erupts as it is a powerful volcano despite the fact that the last eruption was quite benign,” geologist at the University of Iceland Institute of Earth Sciences Páll Einarsson told Vísir. “It is still unclear what kind of eruption this is, as it has only been seen from a distance [as of 20:20] and it is difficult to say how it will end up looking, but the last three eruptions were quite similar. They were small and originated south of Askja, so it is unlikely that this will be a big eruption.” Road number one in the Skeiđarásandur area has been closed. Flooding as a result of melted ice is expected. |
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| Jessie | May 22 2011, 06:43 PM Post #34 |
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Breaking News:Britain's airspace could be forced to shut down completely this week after another volcano in Iceland erupted, spewing tons of ash into the air. http://news.sky.com/skynews/Article/201009115996978 |
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| Mark (IWO) | May 23 2011, 12:21 PM Post #35 |
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An ash cloud from the Grimsvotn volcano in Iceland is expected to reach Ireland by midday Tuesday. The cloud is expected to cover a vast crescent across the North Atlantic from northern Russia to Ireland and the United Kingdom. While airspace closures are unlikely the Irish Aviation Authority (IAA) said there was a “possibility” of disruption to air travel tomorrow. The UK Civil Aviation Authority and the UK's air traffic control service Nats are also said they were monitoring the situation closely. An eruption of the Grímsvötn volcano under the Vatnajokull glacier in Iceland began on Saturday. Icelandic air traffic control operator ISAVIA yesterday established a 220 kilometre no-fly zone around the volcano, closed Keflavik International Airport, the country's main hub, and cancelled all domestic flights. The airport is expected to reopen later today however. According to Irish Weather Online forecaster Peter O'Donnell: "Recent eruptions in Iceland may provide a colourful sunset as early as Tuesday due to the strong circulation around storm "Udo" which will bring the first signs of what may turn out to be a more disruptive amount of ash later in the week. Although upper-level winds reverse in direction briefly around Wednesday, which might cut off the supply for a day or two after the initial trace amounts, thereafter it is possible that more significant amounts will arrive as winds return to a more favourable W-NW direction. "Some analysts are speculating that there could be disruptions to aviation forthcoming within a week to ten days as was experienced last year. However, two things could work against that, the volcanic eruptions could cease production, or the upper level pattern could keep the ash heading away from Ireland and more towards the Azores. "So we'll have to wait and see how this plays out, but it does seem certain that enough ash could enter the atmosphere over Ireland to make for some hazy skies during any clear spells to come this week, as well as a more colourful sunset on Tuesday when some parts of Ireland could have good visibility in advance of the next Atlantic depression expected to bring rain later Wednesday", Peter concluded. The Grimsvotn volcano last erupted in 2004 according to the Icelandic Meteorological Office. The latest disruption has been described as far larger than last year's eruption at the Eyjafjallajokull volcano 130 kilometres away. The volcano continues to erupt today although the plume, at about 8 miles (13km) high, is not as powerful as it was on Sunday. The level of seismic activity has also decreased during the past 24 hours. |
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| Mark (IWO) | May 23 2011, 04:31 PM Post #36 |
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Flights To Ireland Unaffected By Volcanic Ash Cloud http://www.irishweatheronline.com/news/flights-in-ireland-unaffected-by-volcanic-ash-cloud/15358.html |
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| Mark (IWO) | May 23 2011, 05:27 PM Post #37 |
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http://www.irishweatheronline.com/news/irish-uk-flights-threatened-by-ash-from-iceland-volcano/15358.html |
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| Audi-Tek | May 23 2011, 10:18 PM Post #38 |
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Aer Lingus has cancelled 12 flights between Ireland and Scotland tomorrow because of Iceland's volcanic ash cloud. A number of flights to and from Edinburgh, Glasgow and Aberdeen from Dublin, Shannon and Cork have been affected. Passengers advised to check their website for details on how to change their flights or apply for a refund. The Irish Aviation Authority said that flights to and from Ireland could be disrupted later this week from an ash cloud billowing from the volcano. http://www.rte.ie/news/2011/0523/iceland.html |
| Why is cloud 9 so amazing ? What is wrong with cloud 8 ? | |
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| Mark (IWO) | May 24 2011, 12:43 AM Post #39 |
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Aer Lingus tonight confirmed it has cancelled a dozen flights between Ireland and Scotland tomorrow because of the volcanic ash cloud. The affected flights include some services to and from Edinburgh, Glasgow and Aberdeen from Dublin, Shannon and Cork. Aer Arann, meanwhile, said it has cancelled flights RE281 and RE282, scheduled to and from City of Derry Airport tomorrow. Passengers are advised to check this website or contact Aer Arann Customer Relations for the latest information. http://www.irishweatheronline.com/news/flights-grounded-as-volcanic-ash-cloud-drifts-south/15358.html |
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| Mark (IWO) | May 24 2011, 09:47 AM Post #40 |
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Ash Cloud Spreads To Ireland And UK, Flights Cancelled The eruption of the Grímsvötn volcano in Iceland has plunged the airline industry into a fresh crisis as the second ash cloud crisis in as many years threatens to cause renewed travel problems for air passengers. A number of flights between Ireland and Scotland have been cancelled today while a number of other airlines operating in and out of Scotland have also cancelled services. The latest Volcanic Ash Concentration forecast (see below) from the Volcanic Ash Advisory Centre (VAAC) has also ensured intending passengers throughout the UK and Ireland will have an anxious wait today. An eruption of the Grímsvötn volcano under the Vatnajokull glacier in Iceland began on Saturday. Icelandic air traffic control operator ISAVIA established a 220 kilometre no-fly zone around the volcano on Sunday but reopened Keflavik International Airport, the country's main hub, last night. The Icelandic Meteorological Office last night confirmed the ash plume was drifting mostly southward at a height of 5-9 kilometres (16,404- 29,528 feet). The plume's height has decreased from a maximum height of 50,000 feet on Sunday. According to Irish Weather Online Forecaster Peter O'Donnell: "Any volcanic ash should decrease for a while tomorrow, Wednesday, as upper level winds turn in a direction less favourable for transporting it. On Thursday a shift in wetaher conditions will see ash affecting the northwest in particular. Here there is some risk of moderate ash deposition (trace to 1 mm). Friday will see a continued slight risk of ash or dust. On Saturday ash or dust potential may decrease although becoming stronger in Scotland while ash from Sunday to about Tuesday could reach a maximum, depending on production rates at the the Grímsvötn volcano now until then." Ryanair has hit out at the Irish Aviation Authority (IAA) after the low cost carrier said it had been told not to operate flights to and from Glasgow Prestwick, Edinburgh or Aberdeen until at least 1pm. A spokesperson said: "Ryanair strongly object to this decision ..... and believe that there is no safety risk to aircraft on fights operating to and from Scotland and together with other airlines will be complaining to the Transport Minister and Regulatory Authorities about these latest and unnecessary cancellations." On the Glasgow Airport website, authorities state: "Glasgow Airport is open. Whilst airspace over Glasgow is not currently affected by volcanic ash, we do expect disruptions. Any decision to cancel flights will rest with airline operators. We would advise all passengers to check with their airlines for flight information." Meanwhile, Aer Lingus cancelled a dozen flights between Ireland and Scotland today because of the volcanic ash cloud. The affected flights include some services to and from Edinburgh, Glasgow and Aberdeen from Dublin, Shannon and Cork. Aer Arann cancelled flights RE281 and RE282, scheduled to and from City of Derry Airport today. Passengers are advised to check the airline's website (see below links) or contact Aer Arann Customer Relations for the latest information. Also IN Scotland, airline Loganair cancelled 36 flights this morning due to ash cloud from Iceland's Grímsvötn volcano. British Airways suspended all flights between London and Scotland today,while EasyJet cancelled flights to and from Scotland from 05:00-09:00 due to the ash cloud. Flybe cancelled services from Aberdeen and Inverness this morning and Dutch airline KLM suspended 16 flights to Scotland and northern England today. Eastern Airways also will not be operating any services in or out of Scottish airspace. Air traffic control company, Nats advised passengers to check with their airline before travelling to airports across Scotland including Glasgow, Edinburgh, Aberdeen, Wick, Barra, Inverness, Perth, Dundee, Cumbernauld, Benbecula and Tiree. Stornoway is available for arrivals from the north and departures to the north. Eurocontrol, the European Organisation for the Safety of Air Navigation, said in a statement last night: "There is currently no impact on European or transatlantic flights and the situation is expected to remain so for the next 24 hours. Aircraft operators are constantly being kept informed of the evolving situation." The Civil Aviation Authority (CAA), the UK's specialist aviation regulator, said authorities would give airlines information about the location and density of ash clouds. Any airline that wanted to fly would have to present a safety report to aviation authorities in order to be allowed to fly. A CAA spokesman stated: "Safety will still be paramount, but we will be able to drastically reduce disruption compared to last time, provided there is not a huge amount of high-density ash." The CAA admitted, however, that the ash cloud is moving unpredictably and changing hour by hour. The International Federation of Airline Pilots' Associations (IFALPA) has warned the cloud still presented a potential danger to commercial aircraft despite developments since the eruption of Eyjafjallajökull in April and May 2010. The Irish Aviation Authority (IAA) said it would continue to monitor the situation and remain in contact with the VAAC, Met Éireann, Department of Transport, airlines, airports, and adjacent and European air traffic service providers. "Following the ash crisis of 2010 the IAA issued guidelines to airlines and aircraft operators for flights in airspace affected by concentrations of volcanic ash. These guidelines are designed to protect airlines operating through contaminated airspace, while also reducing disruption to services. As new information becomes available, the IAA will continue to provide updates. In the meantime, intending passengers should also check with their airline", the IAA added. Airline shares also fell yesterday, amid fears of potential disruption to flights caused by the dense ash cloud. In Dublin, Ryanair shares tumbled 5.30pc to €3.36. The movement south of the ash cloud also forced United States President Barack Obama to shorten his visit to Ireland. He departed Dublin last night for London in an effort to avoid any delays this morning. Grímsvötn, Iceland's most frequently active volcano, lies largely beneath the vast Vatnajökull icecap. The caldera lake is covered by a 200-m-thick ice shelf, and only the southern rim of the 6 x 8 km caldera is exposed. Long NE-SW- fissure systems extend from the central volcano. The most prominent of these is the noted Laki (Skaftar) fissure, which produced the world's largest known historical lava flow during an eruption in 1783. The basaltic Laki lavas erupted over a 7-month period from a 27-km-long fissure system. Extensive crop damage and livestock losses caused a severe famine that resulted in the loss of one-fifth of the population of Iceland. FORECASTS/IMAGERY http://www.irishweatheronline.com/news/earthquakesvolcanos/ash-cloud-spreads-to-ireland-and-uk-flights-cancelled/15358.html |
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2:11 AM Jul 11