NASA: Russia - Kamtchatka - Klyuchevskaya Erupts - 11.03.13

Posted by Ricardo Marcenaro | Posted in | Posted on 12:07


Klyuchevskaya Erupts
acquired October 20, 2013 download large image (5 MB, JPEG, 5530x3687)
acquired October 20, 2013 download GeoTIFF file (31 MB, TIFF)
Klyuchevskaya Erupts
acquired October 20, 2013 download large image (14 MB, JPEG, 11060x7373)
acquired October 20, 2013 download GeoTIFF file (96 MB, TIFF) 
 
Located on Russia’s Kamchatka Peninsula, Klyuchevskaya (also spelled Kliuchevskoi) is one of the world’s most active volcanoes. More than 100 flank eruptions have occurred at the stratovolcano in the past 3,000 years, according to Smithsonian’s Global Volcanism Program. Twelve confirmed eruptions have occurred since 2000.
Klyuchevskaya has been erupting since August 15, 2013, though the intensity of activity surged in October. The Kamchatka Volcanic Eruption Response Team (KVERT) reported a thick plume of ash and steam streaming from the summit on October 11. Subsequent days brought explosive eruptions, lava fountains, and volcanic tremors. At times, the ash plume rose from the summit (elevation 5 kilometers, or 16,000 feet) up to 7.5 to 10 kilometers (24,000 to 32,000 feet).
When the Operational Land Imager (OLI) on Landsat 8 flew over in the afternoon on October 20, multiple lava flows streamed down Klyuchevskaya northern and western flanks. The top, false-color image above shows heat from the flows in shortwave-infrared, near-infrared, and green light. Ash, water clouds, and steam appear gray, while snow and ice are bright blue-green. Bare rock and fresh volcanic deposits are nearly black. In the wider natural-color (red, green, blue) image, snow and clouds are white, the ash plume is light gray, and forests (with trees tall enough to stand above the snow cover) are dark brown.
While the most explosive activity had subsided by October 20,, lava flows continue and Klyuchevskaya remains seismically active. Follow KVERT for ongoing, daily updates. See more Klyuchevskaya imagery in our Natural Hazards section.

  1. References

  2. Kamchatka Volcanic Eruption Response Team (2013, October 21) Kamchatka and the Northern Kuriles volcanoes: Erupting or Restless. Accessed October 24, 2013.
  3. Smithsonian Institution/USGS Weekly Volcanic Activity Report (2013, October 22) Activity for the week of 16 October–22 October. Accessed October 24, 2013.
  4. Eruptions Blog, Wired magazine (2013, October 24) Kliuchevskoi Accessed October 24, 2013.
NASA Earth Observatory images by Robert Simmon, using Landsat data from the USGS Earth Explorer. Caption by Adam Voiland and Robert Simmon.
Instrument: 
Landsat 8 - OLI



NASA: Russia - Kamtchatka - Klyuchevskaya Erupts - 11.03.13





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