Observations of the altitude of the volcanic plume during the eruption of Eyjafjallajokull, April-May 2010.

The article focuses on the eruption of Eyjafjallajökull in Iceland from April 14 to May 23, 2010 describing the altitude of the volcanic plume through independent radar and web camera time series and cross validation. It notes the two explosive phases of the eruption separated by lava formation and reduced explosive activity. Also discussed are methods for tracking volcanic clouds, as well as the interaction between the eruption plume and the atmosphere.