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Eyjafjallajökull/Fimmvörduháls at the NASA Earth Observatory 27 March 2010

Posted by admin in activity reports, eruptions, Eyjafjöll, Iceland, NASA Earth Observatory.
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As previewed here (and at Eruptions) yesterday, the NASA Earth Observatory image of the day for 27 March 2010 is the ongoing fissure eruption at Eyjafjallajökull/Fimmvörduháls in south Iceland.

Eruption of Eyjafjallajokull Volcano, Iceland, 24 March 2010 (NASA Earth Observatory)

A commenter here asked about the green colour visible within the fissure and the drainage channel in this image. Robert Simmon of NASA answers that question in the Eruptions comments thread: ‘The green along the margin of the lava flow is an artifact of the satellite sensor. The true-color image is the combination of a 30m/pixel RGB image with a 10m/pixel panchromatic image. Each color pixels covers the same area as 9 panchromatic pixels, so you’ll occasionally get odd colors in high contrast areas’.

Eruption of Eyjafjallajökull Volcano, Iceland – NASA Earth Observatory, 27 March 2010

Global Volcanism Program: Eyjafjöll – summary information for Eyjafjallajökull, which the GVP calls Eyjafjöll (1702-02=)
Eyjafjallajökull eruption March 2010 – summary of events from the University of Iceland’s Nordic Volcanological Center
Photos from Fimmvörðuháls – images and information from the Iceland Meteorological Office

The Volcanism Blog