Photo of Eruption of Gaua Volcano 2010-04-12 lrg

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Summary

Description	English: A thick blue haze stretched over the South Pacific archipelago of Vanuatu on the morning of April 12, 2010. The haze was volcanic fog—vog—emitted by Gaua and Ambrym Volcanoes. Both are known for producing volcanic plumes rich in sulfur dioxide. The sulfur dioxide gas emitted by the volcanoes reacts with moisture in the air to create small droplets (called aerosols) of sulfuric acid, which scatters blue light, coloring the plume. Although it is unclear which volcano is emitting more aerosols, the Wellington Volcanic Ash Advisory Center (VAAC) has reported daily ash plumes from Gaua since April 8th. The plume extending for thousands of kilometers to the northwest (upper left) and southeast (lower right) of the islands. The plume appears thicker and bluer in the corner of the image because the satellite is viewing the plume at an angle.
Date	12 April 2010(2010-04-12)
Source	https://earthobservatory.nasa.gov/NaturalHazards/view.php?id=43667&src=nha
Author	NASA image by Jeff Schmaltz
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Photo's description:

A thick blue haze stretched over the South Pacific archipelago of Vanuatu on the morning of April 12, 2010. The haze was volcanic fog—vog—emitted by Gaua and Ambrym Volcanoes. Both are known for producing volcanic plumes rich in sulfur dioxide. The sulfur dioxide gas emitted by the volcanoes reacts with moisture in the air to create small droplets (called aerosols) of sulfuric acid, which scatters blue light, coloring the plume. Although it is unclear which volcano is emitting more aerosols, the Wellington Volcanic Ash Advisory Center (VAAC) has reported daily ash plumes from Gaua since April 8th. The plume extending for thousands of kilometers to the northwest (upper left) and southeast (lower right) of the islands. The plume appears thicker and bluer in the corner of the image because the satellite is viewing the plume at an angle.

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EXIF data:
File name	eruption_of_gaua_volcano_2010-04-12_lrg.jpg
Size, Mbytes	10.5775546875
Mime type	image/jpeg
Orientation of image	1
Image resolution in width direction	72
Image resolution in height direction	72
Unit of X and Y resolution	2
Color space information	1
Exif image width	8200
Exif image length	6800
Software used	Adobe Photoshop CS4 Windows

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