Volcanologists in Severo-Kurilsk (Paramushir Island), about 7 km E of Ebeko, observed explosions during 14-15 and 19-21 May that sent ash plumes up to 3.6 km (11,800 ft) a.s.l.
A thermal anomaly was identified in satellite data on those same days, and ash plumes drifted 80 km SW, S, and SE during 14 and 20-21 May.
The Aviation Color Code remained at Orange (the second highest level on a four-color scale).
Source: Kamchatkan Volcanic Eruption Response Team (KVERT)
Karymsky (Russia)