Unnamed volcanic eruption occurred in the morning on September 2 Kamchatka said Kamchatka Branch of the Geophysical Service RAS.
"On Sunday the volcano spewed ash and gases to a height of about 12 kilometers. Ash plume stretches about 50 kilometers to the northeast of the giant," — said in a statement.
Unnamed located about 500 kilometers from Petropavlovsk-Kamchatsky on the eastern coast of the peninsula, where does the intercontinental air routes linking the U.S. and Asia-Pacific. Plumes threaten aircraft that fly on this route.
Nameless catastrophic eruption occurred on 30 March, 1956. Then a column of ash rose to a height of 40 kilometers, and mudslides filled Kamchatka river — the largest river of the peninsula. After that, the Soviet Union began regular monitoring of volcanic activity, have been set up academic institutions, and on 30 March was celebrated Day volcanologist.