Animation of the first 70 minutes of a simulated Pinatubo-tpye volcano eruption. Isosurfaces of three different ash species are shown: light ash (yellowish transparent), medium ash (light brown) and lapilli (dark brown)

(Data: ATHAM plume model, (1) Michael Herzog,(2) Christiane Textor, (2) Hans-F. Graf, (3) Josef M. Oberhuber , where (1)=University of Michigan, Ann Arbor, MI, USA; (2)=Max-Planck-Institut für Meteorologie, Hamburg, Germany; (3)=Deutsches Klimarechenzentrum GmbH, Hamburg, Germany ): (AVI, 20 MB)