A recent image of the ash plume over the north Atlantic ocean caused by the volcano in Iceland which has shut down air traffic to most of northern Europe. Volcanic ash in a plane's engines becomes molten glass and clogs them, causing complete shutdown.
Previously on the volcano…
Volcanic Ash Plume Grounds All Air Traffic Over UK, Norway [tr]
WATCH: Intense video of Icelandic Volcano Eruption [tr]
WATCH: Volcano Erupts in Icelandic Glacier, Forcing Evacuations [tr]