Russia’s Shiveluch volcano began churning out ash to a height of 9,500 meters (more than 31,000 feet) on Monday.
Activity began increasing on the 2-mile-high volcano in May 2009. It has been periodically spewing ash since that time, increasing the crater size by 50%.
“It is the most powerful eruption this year,” said a source at the Far Eastern Institute of Volcanology and Seismology.
Although the eruption poses no immediate threat to nearby settlements, the ash clouds could pose a threat to air traffic.
Of the more than 150 volcanoes on Kamchatka, 29 are active.
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Thanks to Alex Meyer for this link
Since increased activity in 2009 coincides with the beginning of the low solar cycle C24, and the “greatest eruption of this year” comes 6 days after the very large earthquakes in Sumatra, this again confirms IMO the connection with the lower radiation from the Sun, says reader F. Guimaraes.