Red alert declared.
The volcano on Kamchatka Peninsula in Russia’s Far East has erupted ash rising to an altitude of 8 km (almost 5 miles) above sea level, ITAR-TASS reports.
Shiveluch volcano © Photo NASA/JSC
Currently there is no danger for local communities. The eruption was accompanied by underground shocks h lasting 3.5 minutes.
A red alert, the highest aviation safety alert, meaning that the volcano presents extreme danger to aircraft, has been declared.
The Shiveluch volcano is the most northern and the most active volcano on Kamchatka. The volcano became active in 1980.
http://english.ruvr.ru/2012_06_15/78185174/
Thanks to Kenneth Lund for this link
7 Responses to Shiveluch Volcano Shoots Ash Almost 5 Miles High
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Volcanic activity is on the rise,its just a matter of time before a mega eruption.
Aren’t these high latitude volcanoes the ones that when they drive tons of ash into the upper atmosphere, that cause the greatest cooling effects? Seems like I can recall reading that they don’t need to send ash as high or in as great a volume to have a greater effect on world temperature than equatorial volcanoes.
This Shivaluch eruption is quoted as reaching as high as 26,000ft so the sulphur dioxide and fine particulates are well into the stratosphere where they will remain suspended for up to a year. The height of the atmosphere is slightly less towards the poles so it is easy for Shivaluch to go stratospheric and affect climate.
Over at Spaceweather.com there are some nice photos of noctiluscent clouds which are thin veils of sulphuric acid crystals which are probably, in part, from previous Shivaluch eruptions. No-one knows how significant they are at cooling the polar regions but logic says that any cloud which reflects away incoming sunlight is bound to have some cooling effect.
It sure seems to me that volcanic activity is on the rise, but some don’t think so.
http://www.volcano.si.edu/faq/index.cfm?faq=06
Unfortunately there aren’t long term records to prove or disprove the suggestion that there is an increase in volcanic activity. However good records exist for great (8+ magnitude) earthquakes since the 1950′s as the US and others have needed to know which countries were testing atomic weapons underground. There were 13 great earthquakes between 1958 and 2003 and the same number from 2004 until now. This suggests a five fold increase. Since the deep underlying phenomena that cause great earthquakes also cause volcanic activity I think it is reasonable to conclude that volcanic activity has also increased.
High latitude (and altitude) volcanoes are also more affected by muons created from cosmic ray activity. These weaken the calderas of some volcanoes making them more susceptible to eruptions. Cosmic ray activity is also higher than previously recorded in the space age and is a direct result of the relatively low strength of the sun’s magnetic field. This is a consequence of the relatively low sunspot activity in the current solar cycle and the very deep minimum between the last cycle and the current one.
and as so often with volcanic events, we had a double whammy incoming CME from the sun hit on the 16th.
spaceweather,com stated 50% chance of effects felt in the higher latitudes..
take note folks,
every cme or solar coronal holes output is tied in with earth weather or other disruptions. storms floods etc etc.
Brrrrr! Where’s rhe summer gone…I think a lot of HAARP’d earthquakes have shifted the axis more n the friction will set off all the volcanoes in time…obviously with the magnetic n solar effects as well…have fun all!!! ;o)