Continuing Eruption of Shiveluch
acquired April 4, 2012 download large image (279 KB, JPEG, 1000x800)
acquired April 4, 2012 download GeoTIFF file (1 MB, TIFF)
Continuing Eruption of Shiveluch
acquired April 11, 2012 download large image (328 KB, JPEG, 1000x800)
acquired April 11, 2012 download GeoTIFF file (2 MB, TIFF)
Continuing Eruption of Shiveluch
acquired April 15, 2012 download large image (320 KB, JPEG, 1000x800)
acquired April 15, 2012 download GeoTIFF file (1 MB, TIFF)
Continuing Eruption of Shiveluch
acquired April 22, 2012 download large image (260 KB, JPEG, 1000x800)
acquired April 22, 2012 download GeoTIFF file (1 MB, TIFF)
acquired April 4 - 22, 2012 download Google Earth file (KMZ)

Shiveluch is one of the most active volcanoes on Earth. During the first three weeks of April 2012, brief bursts of volcanic activity left radial streaks of ash on the surrounding snow.

From April 4 until April 22, little to no new snow fell on the region, leaving the ash visible. The wind direction at the time of the eruption determined the alignment of each streak. Stronger or lengthier eruptions, as well as stronger winds, likely produced the longer streaks. (It is vaguely possible that some of the streaks are the result of melting snow revealing older ash deposits.) The natural-color satellite images above were collected by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra (top image) and Aqua (lower three images) satellites.

The Kamchatka Volcanic Emergency Response Team (KVERT) reported ash plumes that extended up to 120 kilometers (74 miles) from Shiveluch on April 17th and 18th. One of these eruptions is likely the source of the streak that extends to the northeast (upper right) in the April 22nd image. A small ash cloud is visible in the April 4th image, and another plume, probably composed of steam and other volcanic gases, is apparent in the April 22nd image.

NASA images by Jeff Schmaltz, LANCE/EOSDIS MODIS Rapid Response. Caption by Robert Simmon.

Instrument(s): 
Terra - MODIS

Continuing Eruption of Shiveluch

April 25, 2012
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Image Location
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