Go to: SICILIAN SMOKE A brown plume of smoke and ash streams southward for hundreds of miles from Sicily's Mount Etna on October 28. NASA's Terra satellite captured the stunning outburst, which followed hundreds of small earthquakes on the Italian island. There could be more trouble brewing in the Mediterranean. Scientists think Europe's largest volcano is in a geologic transition from oozing eruptions to more explosive upheavals. (10/30/02)