On the morning of 14 December 2013, GOES-13 0.63 µm visible channel images (above; click image to play animation) showed what appeared to be a plume of re-suspended volcanic ash moving northward from the region of the Cordón Caulle volcano in Chile. As the airborne ash plume begain to disperse... Read More

The Mount Etna volcano — the tallest on the European continent, and one of the most active in the world — experienced an eruption on 23 November 2013. EUMETSAT Meteosat-10 0.75 µm visible channel images (above; click image to play animation) showed the explosive development of... Read More

Mt. Etna, on Sicily in the Mediterranean Sea, erupted early in the morning on Nov 17th just before a Suomi/NPP overpass. The VIIRS Day/Night Band gives a clear view of the volcanic plume (and the light emitted by the lava in the caldera); thermal channels show a distinct hot spot: 360... Read More

GOES-15 0.63 µm visible channel images (above; click image to play animation) showed a distinct hazy plume streaming southeastward from the Katmai volcano area in Alaska on 22 September 2013. This was a signature of re-suspended volcanic ash — a deep layer of ash has remained on the ground near... Read More