View of the concentrated ash plume from the Eyjafjallajokull volcano as it moves across Europe on April 16. Researchers ... <br /><br />Smoke, ash, and aerosols released by the Eyjafjallajökull glacial volcano have caused thousands of commercial airline cancellations since the volcano first ...<br /><br />NASA animation - Iceland volcano ash plume moves over Europe<br /><br />NASA animation - Iceland volcano ash plume moves over Europe
