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Archive for the ‘Eyjafjallajökull eruption’ Category

Eyjafjallajökull Eruption – MODIS Image – UPDATE May 8

Posted by feww on May 8, 2010

BREAKING NEWS: VOLCANIC ASH CLOUD FORCES CLOSURE OF 15 AIRPORTS IN PORTUGAL AND SPAIN

See Below for details.

.

Eyjafjallajökull Glacier Volcano Continues to Eject Dense Plume of Ash


Iceland’s Eyjafjallajökull volcano continued to emit a dense plume of ash and steam on May 7, 2010. The plume extends southeast from the volcano, but curves south beyond the lower edge of the image. The large image, which includes a wider area, reveals that the ash is blowing over the Atlantic Ocean west of Ireland. On Iceland, low-level winds pick up ash that had settled on the land. This plume of resuspended ash blows south from the island. The higher-elevation volcanic plume casts a dark shadow on the lower-elevation resuspended ash. The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image on May 7, 2010. Image and caption: NASA E/O. Download large image (3 MB, JPEG)

Eruption in Eyjafjallajökull Status Report: 16:00 GMT, 07 May 2010

The following is a brief summary of the report:

  • Decrease in explosive activity since yesterday.
  • Plume height lower (7.6km max), ash color lighter.
  • Steam still rising from lava front under Gígjökul.
  • Large ash fallout reaching up to 60 km from the crater.
  • No sign eruption might be  ending.
  • Earthquakes are occurring at 5-13 km depth, frequency of occurrence lower than yesterday.
  • Surface deformation stabilized since yesterday.
  • Only 5 % of particles smaller than 10 micron (aerosols)


21-hour animation of ash cloud from Eyjafjallajökull volcano drifting from Iceland to Ireland and Scotland. Source: IMO . See also The initial ash cloud on 15th April. Click image to enlarge.

Eyjafjallajökull volcanic ash cloud shuts 15 airports in Europe

As the 2,000km (1,200mile) ash cloud further encroaches into European airspace, targeting tourist destinations, more  airport closures expected in northern Portugal and southern France.

List of the airports that have been affected, as of posting, includes Asturias, Bilbao, Burgos, La Coruna, Leon, La Rioja, Pamplona, Salamanca, San Sebastian,  Santander, Santiago, Valladolid, Vigo, Vitoria and Zaragoza.

UK’s Met Office said the Icelandic volcano was sending ash up to heights of 9.1km (30,000 ft ) at about 10:00UTC today.


Eyjafjallajökull Ash Cloud drifting toward southern Europe.
© Copyright EUMETSAT/Met Office

Volcanic Ash Advisory from London – Issued graphics (UK Met Office)


Click image to enlarge.


Webcame images by Mila
Click image to enlarge.

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Eyjafjallajökull – Shock Waves Caught on Video

Posted by feww on April 29, 2010

Eyjafjallajökull Still Erupting, Lava Flowing, Plume Staying Low

The following link to an Icelandic site, Visir,  shows a brief video footage of shock waves emitted by the Eyjafjallajökull Glacier volcano.

Latest image of eruption at Eyjafjallajökull


This image of steam and ash spewing out of the
Eyjafjallajökull Glacier is dated April 27, 2o1o and is one of the latest image of eruption posted  at the Institute of Earth Sciences, Nordic Volcanic Center. The moderators are still treating materials from the website as subject to copyright.  For more images visit their website.

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Eyjafjallajökull Eruption Portents Catastrophic Sequence

Posted by feww on April 26, 2010

Three Reasons Why the Moderators Believe a  Sequence of Catastrophic Eruptions May Occur in Iceland

  1. It would be consistent with the resurgence of volcanic activity globally, which may have started recently.
  2. Historically, the eruptions at Eyjafjallajökull have been associated with subsequent eruptions at a larger volcano, usually Katla.
  3. Volcanic eruptions are a component of the planet’s defense mechanism.

In our opinion, the question is no longer “if” but “how soon” a cataclysmic event, or indeed a series of events would occur.

The answer, we believe, is found in EDRO Collapse Model.  As of 2010, Google Civilizations are about half way through the human-induced antiphase.

Status Update:

Eruption at Eyjafjallajökull continues unabated. No significant change reported since previous update.


An image of the eruption at
Eyjafjallajökull (2010.04.24 – Þórdís Högnadóttir – 2). No other information available in English. Source: Institute of Earth Sciences. Image may be subject to copyright. Older images …

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Eyjafjallajökull Eruption – UPDATE 24 April

Posted by feww on April 24, 2010

Comparative Calm Before Explosive Storm?

A Powerful Earthquake May Strike Iceland

The Plume at Eyjafjallajökull Rises to a Height of about 7,000m Sporadically, Idling Mostly at 4,000m

Fire Earth Moderators believe the volcano is spewing more ash than it did 2-3 days ago, despite the local reports.


Webcam at Valahnúk. Image recorded at 13:15UTC on April 24, 2010. Click Image to enlarge.


Hvolsvelli View [best image available all day from the webcam. Reduced visibility caused  by volcanic ash, fumes, dust and clouds.]

Icelandic mat office said:

Eruption in Eyjafjallajökull, Iceland -Update on activity
Little changes – 24 April 2010 11:15

Volcanic tremor has been similar as the last 2-3 days.
Ash fall may be expected to the west and northwest from the eruption, minor in the Reykjavik area.
Water level in Markarfljót river is slightly higher than yesterday.

The Department of Civil Protection and Emergency Management, Media team, released the following bulletin earlier today:

News Release, 24 April 2010, 06:30

According to the Hvolsvöllur police, this was a quiet night. A little ash has fallen on Hvolsvöllur, and it is visible as a very fine dust on cars. The Weather Bureau expects strong winds from the northeast and the east along the southern coast, elsehwhere the winds will be softer and there will not be much precipitation. The ashen mist will probably move to the west and the northwest of the volcano, even reaching Reykjavík, but only in slight quantities

In a news release from the Chief Epidemiologist yesterday, it appears that wen ash mist occurs, or an increase in suspended particulates in the atmosphere, those who suffer from a dormant heart og lung disease are advised to remain indoors, but there is no call for using masks. It is expected that the eruption-related suspended particulates pollution in the capital area might be close to a similar pollution caused by traffic, and the warnings issued by health authorities will be in accordance with such pollution. The public should keep track of news and information and instruction on the websites of the Department of Civil Protection and Emergency Management, http://www.almannavarnir.is, and of the Environment Agency, http://www.ust.is .

According to information from the airports, air traffic is limited to and from Keflavík, Reykjavík and Akureyri at the moment. No IFR-permissions are issued for Akureyri Airport, but the Egilsstaðir Airport is open to all flight traffic. Further information will be released later this morning.

The information centre for the media at Hvolsvöllur (tel. 847-4846) will remain open during he week-end. A press representative will be there, but there will be no meeting with specialists at 8 am. On the other hand, such meetings will be held at the information centre in Skógarhlíð from 08:00 til 09:00 am, Saturday and Sunday. Today, geophysicist Sigurlaug Hjaltadóttir, from Iceland Weather Bureau, Árni Snorrason, director of the Weather Bureau, and Árni Birgisson, director of the airport and guiding dept. of  Isavia, will answer questions conveyed by the media and press agents.

Detailed Map of eruption Site [The Institute of Earth Science Nordic Volcanological Center]


Click on image to get larger map (pdf-file)
Prepared by: Ásta Rut Hjartardóttir (astahj@hi.is), Páll Einarsson (palli@hi.is)

See also

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Posted in eyjafjalla, Eyjafjallajökull, Eyjafjallajökull eruption, Eyjafjallajökull glacier, Eyjafjöll, Iceland volcano, Icelandic volcano | Tagged: , , , , , , , , , , | 2 Comments »

Eyjafjallajokull Volcano: ASTER data

Posted by feww on April 24, 2010

ASTER data of Eyjafjallajokull Volcano

The following data have been acquired by the ASTER instrument on the NASA Terra satellite, and posted on Internet by University of Pittsburgh volcanologist Michael Ramsey. The data were collected both day and night. ASTER acquires data in the visible/near infrared (VNIR) and thermal infrared (TIR) during day time overpasses and in the TIR at night. The VNIR images are at 15 m/pixel resolution and the TIR are 90 m/pixel (each image covers approximately 60 km by 60 km).


Eyjafjallajokull Eruption Day time visible/near infrared image (13.5 MB) dated April 19, 2010.

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Eyjafjallajökull Eruption – UPDATE 23 April

Posted by feww on April 23, 2010

Ash Fall from Eyjafjallajökull Eruption Closes Icelandic Airports

Iceland’s Keflavík International Airport was closed earlier today due to volcanic ash cloud from Eyjafjallajökull eruption.

The wind direction had reportedly changed pushing the ash cloud in southern Iceland in a southwesterly  direction; however,  little or no ash fall was forecast in the capital Reykjavik, Icelandic Review reported.

The closure of Keflavík airport was expected to affect all international flights to and from Iceland.

Webcam views of Eyjafjallajökull eruption recorded at 11:40UTC on April 23, 2010 – Click images to enlarge

Hvolsvelli View

Thórólfsfelli (Þórólfsfelli) View

The Institute of Earth Science Nordic Volcanological Center

Eruption in Eyjafjallajökull

Eruption update 22 April
Similar situation as yesterday (see 21 April report)

Seismic tremor recorded by the Icelandic Meteorological Office: Some fluctuations, with a peak shortly after midnight 22 April related to a small flood of meltwater. Since the onset of the explosive eruption the tremor has overall been gradually increasing, with superimposed fluctuations.

Visual observations yesterday: Regular explosions at intervals of few minutes were observed in afternoon, with fluctuations in intensity and tephra content. Previous entries …

The following two images are from Frettabldid-Island and may be subject to copyright.

Electric Eyjafjallajokull


Prime Real Estate

Eruption in Eyjafjallajökull, Iceland – Current events Report by Icelandic Met Office

Status as of:  23 April 2010 10:45(UTC)

Volcanic tremor has been similar the last 24 hours. GPS stations around Eyjafjallajökull showed deflation associated with the eruption.

The plume could be seen on IMO’s radar till 04:00. This morning it rose up to 16.000 feet, ca 4.8 km, and ash is blowing towards west.

Water in Markarfljot river increased slightly yesterday, probably due to continuous flow from the eruption area (Gigjökull).

Eruption of the Eyjafjallajökull volcano in Iceland as seen by RADARSAT-2 (Canadian Space Agency)


Left: RADARSAT-2 image of April 9 – RADARSAT-2 Multi-Look Fine, beam 4 – April 9, 2010, 07:34 :48 UTC, Descending orbit – Nominal resolution: 8 m.
Right: RADARSAT-2 image of April 20 – RADARSAT-2 Extended High, beam 4 – April 20, 2010, 07:13 :53 UTC, Descending orbit -Nominal resolution: 25 m.
Click image to enlarge.

Image Notes and Observations:

  • New volcano craters are evident on April 20 image (Right).
  • Glacial lake on the north slope of the volcano is now filled with volcanic sediments.
  • Local drainage network is swamped by the melt water.
  • The radar backscatter has changed drastically, probably caused by the melted ice and by the presence of ash and dust on the ice.
  • Agricultural land on the south slope of the volcano covered by volcanic ash and debris.
  • The wavelength used by RADARSAT-2 is only slightly affected by the  ash and airborne particles.
  • For larger images click here

Iceland’s Department of Civil Protection and Emergency Management – Media team

News Release: # 22 – April 23, 2010, 06:30(UTC)

A little after midnight, the volcanic cloud became quite dark, according to the police, and the wind turned during the night.

The Weather Bureau expects southeasterly winds today, and the wind force will gradually increase. An ashen mist is expected towards the north-east of the volcano, and small quantities of ash might even reach Reykjavík. The terms “ashen mist” refer to a view impaired by the ash, according to the Weather Bureau. Some ash is falling in the direction of Fljótshlíð and will continue to do so in a northwesterly direction from the volcano.

Flights to and from the airports of Keflavík and Reykjavík are being cancelled and travellers are requested to follow the news and the websites of the flight operators and Keflavík Airport.

According to the police at Hvolsvöllur, no traffic is permitted in the vicinity of the volcano. The area closed to traffic encompasses the Eyjafjallajökull glacier, its slopes, the Fimmvörðuháls pass and Mýrdalsjökull glacier. Please respect these restrictions.

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Eyjafjallajökull Eruption – UPDATE 22 April

Posted by feww on April 22, 2010

Volcanic tremors continue unabated, Eyjafjallajökull ash plume stays low

The explosive activity at Eyjafjallajökull is less vigorous, with only one of two main craters in the summit caldera remaining active.

Webcam views of Eyjafjallajökull eruption recorded at 15:23UTC on April 22, 2010 – Click images to enlarge

Hvolsvelli View

Thórólfsfelli (Þórólfsfelli) View

“Eruption rate is inferred to have declined over last few days and now be an order of magnitude smaller than during the initial 72 hours of the eruption. Present eruption rate is estimated to less than 30 m3/s of magma, or 75 tonnes/s , with a large uncertainty.” The Institute of Earth Science Nordic Volcanological Center said.

The eruptive style was reported as: “Phreatomatic explosive activity” with “lava spatter” at the summit craters, with the plume height reaching 3,000 m asl.

Seismic tremor showed some fluctuations but remained mostly stable, said the Icelandic Meteorological Office. “Tremor is not decreasing and does not reflect the decline as inferred from the eruption rate.”


Freeze frame from a video of Eyjafjallajökull Eruption shot by Icelandic Coast Guard.

The Institute of Earth Science Nordic Volcanological Center said:

Tephra dispersal: local towards the south

Meltwater: minor, but what is melted flows down into Markarfljót, no signs of water accumulation in craters

GPS-measurements: indicate continuing small pressure decrease under the volcano at a similar rate.

Composition of erupted material: Samples collected April 19 show same composition as early in the explosive phase, but fluorine content is higher. Samples collected 19 April have 850 mg/kg (initially it was 25-35 mg/kg). This is due to the change in eruptive style – tephra is now not washed to the same extent by water in the eruptive plume.

Amount of erupted material: Uncertain but on the order of 100 millon cubic meters. Tephra next to craters is 20-30 m thick.

Iceland’s Civil Protection Office confirmed that the ash emissions had been considerably reduced. “The volcanic cloud is quite low and not visible on radars. The ash is not expected to reach an altitude of 20.000 feet (6 – 7 km) for the nex few days. The ashes will continue falling on the area south and south-east of the glacier today, yet the wind will turn and blow from the north-easterly today, and the ashes will start falling to the south-west tonight. The wind is expected to be mild. That, and a lessened ash emission, will cause the ashes to fall near the eruption site. There is no cause to believe that the ashes will fall on the south-western regions of Iceland.”

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British pilot aborts flight: “We can smell ash!”

Posted by feww on April 22, 2010

Was volcanic ash responsible for the plane’s engine trouble?

A frightened British pilot flying a Boeing 757 to Crete to rescue stranded holidaymakers was forced to abort the flight after smelling ash on takeoff followed by engine fault.

“An audio file obtained by ‘The Sun’ reveals the conversation between the pilot and air traffic control.” Bild reported.

“We believe we’re in clear air at the moment, but we’ve definitely had the smell of the ash in the aircraft and twice one of our engine bleed airs has failed so we’re pretty sure its volcanic ash,” the Thomas Cook pilot said.

More…

The pilot reported smelling ash to air traffic control, first at 16,000 feet and then again at 20,000 feet, during the initial climb.

“In the climb, we could smell the ash. The smell stayed on for a while. Once we’d levelled at 39 [39,000 feet] we then lost one engine bleed, so we’ve taken all the required actions for volcanic ash encounter.” The pilot said.

Thomas Cook dismissed the pilot’s claim as a “minor technical fault with its air conditioning.” They said the flight was not aborted due to volcanic ash and that the plane was not in any danger.

However, according to a former pilot,  Lawrence Rayment, the problem was “uncommon,” the report said.

“It is a very uncommon fault. For it to happen as the plane flew through the ash cloud is a worry.” He said.

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The Next Icelandic Volcano Likely to Erupt

Posted by feww on April 22, 2010

A Probability Analysis of the Icelandic Volcano Most Likely to Erupt Next

The pattern of seismicity in Iceland has remained almost unchanged from two days ago, while the eruption at Eyjafjallajökull has become less explosive.

Loads of magma seem to be flowing under the land of Ice and Fire [Iceland,] but where is it all going?

In Iceland’s Bárdarbunga May Be Erupting posted on April 20,2010, Fire Earth Moderators said they believed Iceland’s Bárdarbunga May Be Erupting or is about to Erupt.

Seismic events occurring between Apr 18 – 20,2010

Source: Iceland Met Office. © Veðurstofa Íslands

Seismic events occurring between Apr 20 – 22,2010

Source: Iceland Met Office. © Veðurstofa Íslands

The moderators have now allocated the following probabilities of eruption to each of the volcanoes/volcano groups previously listed:

  1. Probability of a second Icelandic volcano erupting this year: > 80 percent
  2. Kolbeinsey ridge (Last erupted: 1999) or a new submarine fissure in its vicinityprobability of eruption: 80 percent
  3. Krafla (1984)/ Theistareykjarbunga (< 1000 BC)/ Tjörnes fracture zone (1868) – probability of eruption: 52percent
  4. Askja (1961) – probability of eruption: 66 percent
  5. Bárðarbunga (1903) and neighboring Grímsvötn (2004) – probability of eruption: 84 percent
  6. Grímsnes (> 3500 BC) – 40 percent
  7. Reykjanes (1879) – 50 percent
  8. Eyjafjallajökull – probability that the current round of eruption would last more than 30 days: 34 percent
  9. Katla – probability of eruption: 64 percent
  10. Other Icelandic volcanoes not mentioned on this list: probability of eruption: less than 40 percent


A Map of Iceland Volcanoes. Click image to enlarge.

Bárdarbunga, one of the most active volcanoes in Iceland, is a massive volcano with a  700-m-deep caldera which lies beneath the NW Vatnajökull icecap.  A fissure eruption at Thjorsarhraun produced about 21 km³ of lava, the largest known Holocene lava flow on the planet.

Powerful eruptions may occur among the volcanoes lying along the Mid-Atlantic Ridge. The plate tectonics could also translate into increased seismicity along the divergent plate boundary and boundaries of neighboring plates.

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Eyjafjallajökull Eruption – UPDATE 21 April

Posted by feww on April 21, 2010

Eyjafjallajökull Rumbling, Churning out Magma

Eyjafjallajökull has entered a Strombolian-like phase of explosive of  activity, producing magma splatters, but less ash and smoke than the previous days.The plume, however, is till rising to a height of about 3,500m.

The magma in Eyjafjallajökull cauldron seems to be more viscous  than in its neighboring Fimmvörðuháls fissure,  the Icelandic  Met Office reported, adding that the interaction of magma with ice and melt water had decreased.

Icelandic Met Office:  Update on activity
Eruption in Eyjafjallajökull, Iceland
Current events
Deflation – 20 April 2010 13:30 [22:30UTC]

Latest available results from GPS stations around Eyjafjallajökull showed deflation associated with the eruption. This suggested that the volume of eruptive material which has been ejected already, relieves pressure off the volcano.

No movements associated with the Katla volcano are presently observed. END

Thórólfsfelli (Þórólfsfelli) View

Hvolsvelli View

Valahnúk View

Latest webcam images of Eyjafjallajökull show the volcano is still petty much active. Frames frozen at 08:42UTC on April 21, 2010. Click images to enlarge.

There is no sign of lava flow as yet, but the situation could change rapidly.

“It seems that the ice cauldrons over the eruption site have coalesced to form a larger cauldron. In spite of magma splatters, no lava flow has been detected yet.”

“Heavy sound blasts have been heard and found near Eyjafjallajökull, especially south and east of the mountain. The viscosity of the magma from Eyjafjallajökull is higher than on Fimmvörðuháls and this enhances the explosive sound effect which can be heard over long distances.” it said.

Nearly all of the European airports have now reopened, however, the travel chaos with an unprecedented backlog of about 100,000 flight cancellations continues. The 6-day flight ban has cost the airlines more than one billion dollars. The actual cost to the unsustainable economies of Europe may be even larger.


Eldgosið í Fimmvörðuhálsi var undanfari eldgossins í Eyjafjallajökli. Árni Sæberg. Source: MBL-Island. Image may be subject to copyright.

A Silver Lining to the Ash Cloud?

University students in Britain have estimated the amount of carbon dioxide released by  Eyjafjallajökull Eruption  at 150,000 metric tons per day. The figure compares with 510,000 tons of CO2 per day emitted as a result of the planes flying normally over Europe. Their estimates seem to imply a ‘saving’ of 360,000 tons of CO2 per day as a result of the flight restriction over Europe. Source:  Reuters report.


ASTER on NASA’s Terra satellite acquired the above image at 1:50 p.m. local time on April 19. The image shows both the eruption plume and the heat signature of lava at the volcano’s summit and at nearby Fimmvörduháls fissure. Source: NASA. Click image to enlarge.

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Who’s Afraid of Volcanic Ash Clouds?

Posted by feww on April 21, 2010

Thar: Another Encroaching Desert

Pall of Dust Covers Pakistan-India Border Region

The nearest volcanoes from the Thar Desert on the Pakistan-India Border Region are about 1,000km away. And there aren’t nearly as many of them as in  Iceland. The area won’t receive a significant amount of the volcanic ash from Eyjafjallajökull Eruption,  but there would be plenty of sand and dust to compensate for the airborne particles.


The photo like image taken by MODIS on NASA’s Aqua satellite shows a large dust storm over the Thar Desert on the border between India and Pakistan April 20, 2010. Source: NASA
. Click image to enlarge.

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Eyjafjallajökull Ejects ‘Lava Lumps’

Posted by feww on April 20, 2010

Eruption at the Eyjafjallajökull

Eyjafjallajökull has been ejecting “lumps of lava”  from the volcano crater in the glacier in the past few hours, local geo-scientists have reported.


The Electric
Eyjafjallajökull. Date and photographer unknown. Image may be subject to copyright. Click Source for more photos. Click image to enlarge.


A column of ash steam and fumes rises above one of the three main craters at Eyjafjallajokull glacier. April 19, 2010. Soiurce: Reuters/Jon Gustafsson/Helicopter.is/Handout.

Meanwhile, Icelandic Meteorological Office reported that ashfall in the capital Reykjavik was unlikely. The risk is mitigated by easterly wind, blowing the ash away from the capital area, and rain forecast which could reduce the risk of ashfall.

Direct observations of Eyjafjallajökull showed  that lave was being splattered out of the volcano. The volcanic plume reached a height of about 3,000m (10000 feet), peaking to about 5,200m (17000 feet).

The local experts reported the plume as being  mostly white, “but with very dark pillars of smoke” blending in. “According to the Icelandic Meteorological Office website, the plume rose up to 4000 meters at 8:50 this morning. A lower plume indicates that water cannot enter the crater and that lava has begun to flow into it.”A report said.

There was no report of lava flows from the volcano, as of posting.

Ash Cloud Over Europe

Weather patterns continue to blow vast pockets of ash towards the UK and Ireland.

The UK Met Office, which is the North-west European Volcanic Ash Advisory Centre with responsibility for issuing the Volcanic Ash Advisories for volcanoes erupting in this area, said their priority and role is provide information that would support decision-making by NATS, CAA and other aviation authorities .

“It is for the aviation industry and regulator to set thresholds for safe ash ingestion. Currently, world-wide advice from ICAO is based on engine and airframe manufacturers stating that aircraft should not be exposed to any volcanic ash.” It said.


Shades of orange represent the volcanic ash in the atmosphere. © Copyright EUMETSAT/Met Office. Click image to enlarge.


The above is an illustration of volcanic ash dispersion up to 20,000 ft, issued at 7 am on 19 April. Advisory charts are issued every six hours, for up to 18 hours ahead, by the Volcanic Ash Advisory Center.


Volcanic Ash Advisory Graphics from London Met Office. Image may be subject to copyright. Click image to enlarge.

Ash cloud from Eyjafjallajökull reached  Canada’s Eastern seaboard

“The ash cloud is very diffuse, moving slowly and should not affect Canadian airports,” said an Environment Canada spokeswoman.

A forecaster at UK’s Met Office said it was unlikely that the ash would drift much further into North America.

“It is just skirting into the Newfoundland area over the next 12 to 18 hours. It doesn’t look as if it is going to get much further west than that, just on the coast and a little further inland.” He said.

Newfoundland is the closest tip of North America to Iceland.

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Eyjafjallajökull Eruption – 2nd Update Apr 15

Posted by feww on April 15, 2010

Eyjafjallajökull eruption intensifies

Eyjafjallajökull eruption 10 times more powerful than Fimmvörduháls Eruption in March: Iceland volcanologist

The eruption which occurred 200 meter beneath the Eyjafjallajokull glacier has intensified after ejecting a 6.7-km plume of ash and smoke into the air and causing extensive flooding south of Iceland,  volcanologist Armannn Hoskuldsson at University of Iceland  said. He noted that the eruption was 10 times more powerful than the March 20 Fimmvörduháls eruption.

“It’s becoming more intense, but there will be no lava—this is purely an explosive eruption,” Reuters quoted him as saying.


Eruption at Eyjafjallajökull glacier melts Gígjökull  glacial tongue, causing extensive flooding in Markarfljót river, south of Iceland. Credit: Vefbold-Island. Image may be subject to copyright.

Volcanic Ash and Smoke forces cancellation of about 4,500 flights throughout N. Europe


Maps of Ash Drift from Eyjafjallajökull Eruption. Source: RUV Island. Image may be subject to copyright. Click image to enlarge.


A cloud of volcanic ash is seen between Iceland (TOP L) and Scotland, in northern Britain, in this handout satellite photograph taken at 0800 GMT on Thursday, and received from Britain’s Met Office in London on April 15, 2010. Airport operator BAA said on Thursday it expected all flights in and out of London’s Heathrow and Stansted airports to be suspended from 12:00 p.m. due to a cloud of volcanic ash from an eruption in Iceland. The grids and coastlines were superimposed on the photograph by the Met Office. Credit: REUTERS/EUMETSAT/Met Office/HandoutClick image to enlarge.

Non-Stop Eruption

Eyjafjallajökull has been erupting for more than 24 hours,  disrupting air traffic throughout northern Europe. Britain’s National Air Traffic Service (NATS) declared Britain’s airs pace a no-fly zone. Only emergency flights are allowed in British air space.

The situation is pretty much the same across the region. Airlines have canceled or diverted thousands of flights from Norway, Switzerland, France, Belgium, Holland, Denmark, Finland and Sweden.

Markarfljót river located to the west of Eyjafjallajökull glacier flooded for the second time last night, a local report said, describing the second flood as “completely unlike the first one.”  The earlier floodwater measured about 4 degrees Celsius and was ice free. The second flood, however, was said to have a high ice content with large quantities of ice chunks measuring up to 15 cm thick The latter flood water was also colder than the first measuring degrees Celsius C. The floodwaters have caused extensive damage to roads and bridges.

The ash fall from the eruption has covered thousands of hectares of land to the east of the glacier Iceland’s fifth largest, in a thick blanket of ash.

Up to 800 people have fled their homes or been evacuated by the authorities.

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