Resuspended volcanic ash from the 1912 Novarupta-Katmai eruption
![](https://cimss.ssec.wisc.edu/satellite-blog/images/2021/10/ak_dust-20211002_120032.png)
GOES-17 Dust RGB and Ash RGB images [click to play animation | MP4]
Both RGB image combinations use the same ABI spectral bands, but in this case the plume of airborne ash showed up a bit better on the Dust RGB (below) because of how the 3 components of that RGB are scaled.