A combination of two satellite overpasses tracks the movement of sulfur dioxide westward from Isla Fernandina on April 14, 2009.
Published Apr 16, 2009
On January 1, 2008, Chile’s Llaima Volcano erupted, raining ash on the local wilderness park and sending a column of smoke skyward. In addition to volcanic ash, Llaima’s eruption released a plume of sulfur dioxide. The initially intense plume thinned as it moved eastward.
Published Jan 9, 2008
