Sarychev Peak in the Central Kuril Islands released volcanic ash plumes and a large cloud of sulfur dioxide in early June 2009. The volcano was intermittently active over the following year.
A true-color MODIS image shows water vapor and volcanic ash erupting from Sarychev Peak and forming a counter-clockwise arc over the Sea of Okhotsk on June 16, 2009.
This true-color image of the plume from Sarychev Peak on June 14, 2009, shows intense volcanic ash concentrations west of the volcano, and ash spreading both east and west of the summit.
True-color images of the Central Kuril Islands show ash plumes from Sarychev Peak hovering over a blanket of clouds in early June 2009, and a clear-sky view of the same region acquired a month earlier.