This true-color image from July 27, 2009, shows a plume blowing toward the northwest from Batu Tara. The distinct segments of the plume suggest that it was released in pulses of volcanic activity.
Acquired April 15, 2010, this natural-color image shows an ash plume blowing from Eyjafjallajökull Volcano toward the east-southeast across the North Atlantic. The plume’s tan hue indicates a fairly high ash content.
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.