KVERT reported that the eruption at Karymsky continued during 29 July-4 August.
Explosions during 29-31 July, 1-2 August, and 4 August produced ash plumes that rose 4-8 km (13,100-26,200 ft) a.s.l.
and drifted 230 km S, SE, and E.
A thermal anomaly over the volcano was identified in satellite images during 31 July-4 August.
The Aviation Color Code remained at Orange (the second highest level on a four-color scale).
Dates are based on UTC times; specific events are in local time where noted.
Source: Kamchatkan Volcanic Eruption Response Team (KVERT)
Aira (Japan)