Explosive eruption of the volcano continues. Ash explosions up to 19,700-26,240 ft (6-8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
Explosive volcano eruption of Strombolian type continues. A strong gas-steam activity of the volcano continues too. Satellite data by KVERT showed an intensive thermal anomaly over the volcano all week. Strong gas-steam plumes containing ash extended for about 55 km to the north-east on 15 April.
On the other hand, Volkstat.ru. learn us that:
Increased volcanic activity continues on Klyuchevskoy.
On the night of April 14 to 15, began strengthening volcanic activity with lava gushing into the crater up to 200 m on the edge. In the morning, appeared weak and occasional ash emissions.
At night, there is a constant glow in the crater in the infrared range. According KFGS RAS spasmodic volcanic tremors continue until 5.05 m / sec. and continue to grow.
At night, through clouds, in a crater there is a constant emission of light incandescent bombs at a height of 100 m above the crater rim. Lava flows on the volcano slopes were observed.
April 21, 2016.Klyuchevskoy , Kamchatka :
56.06 N, 160.64 E;
Elevation 15580 ft (4750 m)
Aviation Color Code is YELLOW
Source : Kvert , Volkstat.ru.
Photo : Volkstat.ru.