The video footage(below), captured on 28th July 2018,
shows activity at Karymsky, which is one of the most active volcanoes in the Kamchatka peninsula.
Based on satellite data,
KVERT reported that during 28 April and 2-3 May explosions at Karymsky generated ash plumes that rose as high as 5.5 km(18,000 ft)
and drifted 150 km NE and SE.