Aqua MODIS visible image of the Nabro (Eritrea) eruption plume on June 13, 2011
Composite of OMI SO 2 columns (Iterative Spectral Fit (ISF) retrieval courtesy of Kai Yang, NASA GSFC/UMCP) and Aqua MODIS visible imagery on June 13. Note log scale used for SO 2 columns. | 
