Eruptions


Koryaksky (Koryak) in Russia

Yesterday in the USGS/SI update, I mentioned the current eruption going on at Koryaksky (a.k.a. Koryak). Today, the NASA Earth Observatory has some images of the plume from the Russian volcano heading out to the east over the Peninsula. The plume itself looks fairly diffuse and mostly whitish steam rather than laden with grey/brown ash. The last significant eruption from Koryaksky was a VEI 3 eruption in 1956-57 that produced ash fall and pyroclastic flows from the volcano.

One thing that is noted on the EO page is this snippet:

MODIS captured this plume days after reports of simultaneous activity at six Kamchatka volcanoes. Vostok Media described the simultaneous activity as rare, stating it was the first time that all six volcanoes showed concurrent unrest in 60 years.

Apparently it has been sixty years since six different volcanoes on the Kamchatka Peninsula were “erupting simultaneously”. Right now, Shiveluch, Koryaksky, Bezymianny, Kliuchevskoi, Karymsky and Gorely (which was news to me) are all actively producing plumes and/or erupting. Throw in Sarychev Peak in the Kuril Islands, and you have a busy time in the far western Pacific arcs. Remember, the volcanoes might be located in a fairly remote and unpopulated area of Russia, but many flights from North America to the Far East/Asia come up over Kamchatka and the Kuril Islands, so any eruption can pose a serious threat to aviation.

Comments

  1. #1 Doug C.
    August 27, 2009

    Vostok Media has a brief story on Gorely and “The Six” at
    http://www.vostokmedia.com/n53589.html

  2. #2 Frank Miles
    September 16, 2009

    just a simple question or maybe it isnt how much co2 are these volcanoes releasing…., compared to human activty, and also what is the effect upon temperaturs presumably to lower them by reflecring sunlight, is the affect significant globally or just in the north, is the rate of activity much higher than it was over the last 10 years or so.

  3. #3 Cruise
    March 31, 2010

    this is my dream as well but at least watching the volcanoes live now and then sounds good already because this is certainly something I have never experienced in my life.

  4. #4 Arches National Park
    June 19, 2010

    what is the effect upon temperaturs presumably to lower them by reflecring sunlight, is the affect significant globally or just in the north, is the rate of activity much higher than it was over the last 10 years or so.

  5. #5 memorytogo
    October 25, 2010

    We seek peace, knowing that peace is the climate of freedom. ~Dwight D. Eisenhower

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    December 12, 2010

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    December 13, 2010

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