KVERT reported that a thermal anomaly over Sheveluch was identified daily in satellite images during 8-15 September.
Several explosive events during 8-13 September generated ash plumes that rose 9-10 km (29,500-32,800 ft) a.s.l.
and drifted about 400 km NW, E, and SE.
The Aviation Color Code remained at Orange.
Source: Kamchatkan Volcanic Eruption Response Team (KVERT)