Petropavlovsk-Kamchatsky, August 3 — RIA Novosti. Powerful plumes to a height of about 7 kilometers from the crater occurred, the northernmost active volcano of Kamchatka — Shiveluch, told RIA Novosti the Institute of Volcanology and Seismology.
Increased activity of Shiveluch volcano, whose height is about 3.3 thousand meters above sea level, was launched in May 2009. In the dome of the volcano is a normal eruption formed cleft depth of about 30 meters. For settlements eruption no danger, but plumes pose a threat to aviation.
"Plumes, which saw experts Klyuchevskoy vulkanostantsii 40 kilometers from the volcano, accompanied by a series of surface seismic events lasting about 20 minutes. Ash plume from the eruption of stretches in the south-east of the volcano, "- said the source.
In the nearby villages to the volcano ash falls are likely.
Volcanic ash — magmatic material particles with a diameter of up to two millimeters — can cause poisoning in humans and animals due to the complex chemical composition. Aerosol and ash plume can be hazardous to aviation.
Apart from Shiveluch, the risk to aviation are currently two volcanoes of Kamchatka — Karymsky and Kizimen. Over their craters periodically raise a column of ash, seismic record increased activity in the bowels of giants.
Source: RIA Novosti