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Grímsvötn Sulfur Dioxide Signature

Posted by feww on June 2, 2011

SO2 plume emitted during Grímsvötn brief eruption

The images and animation links below show the emission and transport of SO2 from Iceland’s Grímsvötn Volcano May 22 – 26, 2011. The images are based on measurements taken by the AIRS on NASA’s Aqua spacecraft and presented using GEOS-5 experimental model. Source: NASA-EO.

Plume on May 24, 2011

Plume as measured on May 23, 2011.  Click images to enlarge.

  • downloadhigh definition animation (13 MB, QuickTime)
  • download web resolution animation (5 MB, QuickTime)

Grímsvötn’s explosive eruption began at 17.30UTC on Saturday May 21 and lasted for just over a week.  The volcano paused at 7:00 UTC Saturday May 28, 2011.

Eruption cloud from Grímsvötn volcano at 22:00 UTC May 21st 2011 captured by Icelandic met Office Weather Radar located at Keflavik International Airport located about 220 km from the volcano. The eruption cloud covers a large section of Vatnajökull ice cap.

The onset of May 21 eruption in Grímsvötn. Photo credit: Ólafur Sigurjónsson, Forsæti III.
Source: Icelandic Met Office (IMO)

Eruption continued on May 24. Photo credit: Árni Sigurðsson/ via IMO.

This Icelandic feature (photo posted at IMO without a caption, presumably showing the crater after the eruption had stopped) was taken by Vilhjálmur S. Kjartansson. Source: IMO. Note: IMO images may be subject to copyright.

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