radar observations at the eyjafjallajöklull eruption site ... · radar observations at the...
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![Page 1: Radar observations at the Eyjafjallajöklull eruption site ... · Radar observations at the Eyjafjallajöklull eruption site 15-19 Apríl 2010 Institute of Earth Sciences and the](https://reader034.vdocuments.us/reader034/viewer/2022042308/5ed565d71d25941f923a98a7/html5/thumbnails/1.jpg)
Radar observations at the Eyjafjallajöklull eruption site 15-19 Apríl 2010Institute of Earth Sciences and the Icelandic Coast Guard
Above: Eyjafjallajökull 19 March 2010 (picture taken by Eyjólfur Magnússon)
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Radar images acquired by the Icelandic Coast Guard, 15 April, between 5:00 and 6:00 PM. Glacier margin (blue) and surface contours from 2004 (© SPIRIT project/CNES 200X/Spot Image)
Cauldrons in the glacier surface melted by the eruption
Flood courses on the glacier surface
A hole in the ice surface above the subglacial flood course
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Radar images acquired, 15 April, around 8:00 PM shortly after flood burst down from Eyjafjallajökull towards north
Cauldron in the glacier surface enlarged
The flood water broke new holes in the ice surface
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Radar images acquired 16 April, around 4:15 PM
Cauldrons in the glacier surface within the crater enlarged further by the eruption
Holes formed by the flood water enlarged
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Radar images acquired 18 April, between 1:00 and 3:00 PM
~140 m
~60 m
Collapsed roof of a subglacial flood channel
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Radar images acquired 19 April, 10:30 AM
Little changes in size of cauldrons at the eruption site since 16 April The roof of subglacial
flood channel draining water towards south started to collapse