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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.

Related Links:

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