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Time: 07:01 UTC

Eruption of Grimsvoetn (64.42N / 17.33W)  Iceland 2004

	2004 Nov 2 13:52 UTC	N16 False Color The eruption started 14h before.The ash plume is clearly visible on the satallite image and on the RADAR images of the Icelandic Meteorological Office, the ash
	2004 Nov 2 13:52 UTC	N16 Thermal Channel 4 The hot spot (~11°C) itself is clearly visible, as well as the overshooting of the cold ash plume (Black: Warm, White: Cold)
	2004 Nov 2 13:52 UTC	N16 Brightness temperature The hot spot itself is clearly visible, ash plume reaches heights of 13km
	2004 Nov 2 16:11 UTC	N12 Thermal Channel 4 Within 2 hours, the ash plume expands fast, reaching a maximum extent of ~170km in lenght and ~20km in width, and up to an altitude of ~13km
	2004 Nov 2 16:11 UTC	N12 False Color The extent and volume of the ash plume is clearly visible in the twilight.The friction between ash particles as they convect in the eruption column created lightning, as can be seen here
	2004 Nov 2 18:20 UTC	N15 Brightness temperature 2 hours later an ash cloud is drifting away, while a new ash plume hast just been ejected into the atmosphere by Grimsvoetn
	2004 Nov 2 15:55 UTC	Photo
	2004 Nov 2 15:55 UTC	Photo
	2004 Nov 2 15:55 UTC	Photo
	2004 Nov 2 15:55 UTC	Photo
	click to enlarge

Photos courtesy of:
Alexander H. Jarosch
Science Institute, University of Iceland
IS - 101 Reykjavík, Iceland
http://raunvis.hi.is/~jarosch/

More satellite images, photos & movies:
Eruption as seen by MODIS November 02, 2004 Processed by NASA
Aftermath as seen by MODIS Mid-November 02, 2004 Processed by NASA
Change detection using ENVISAT ASAR sequences by Ludwig Maximilian University Munich
photos 1 photos 2 photos 3 photos 4 photos 5
movie 15MB ! courtesy of Alexander H. Jarosch
movie 1.5MB ! courtesy of Magnús Tumi Guðmundsson

For more news see:
SPIEGEL online(German)
BBC Online (english) (English)
For in depth details see:
Icelandic Met Office (islandic)
Nordisk vulkanologisk center (english)

Processed using HRPTReader

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