KVERT reported that a thermal anomaly over Sheveluch?s lava dome was identified daily in satellite images during 6-9 and 12 September.
Resuspended ash formed plumes that drifted 250 km ESE during 11-12 September.
Satellite and webcam data recorded ash emissions and a gas-and-steam plume with some ash drifting 50 km ESE on 12 September.
The Aviation Color Code remained at Orange (the second highest level on a four-color scale).
Source: Kamchatkan Volcanic Eruption Response Team (KVERT)