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Sunday, April 12, 2009

Cool Geo-Pic - Mt Redoubt, AK


This Cool Geo-Pic comes again from NASA's Earth Observatory. They don't have these in Louisiana!


Mt. Redoubt Volcano, Alaska
download large image (5 MB, JPEG) acquired March 26, 2009

Quick "Cut & Paste" Highlights:

" ...After weeks of heightened seismic activity, Alaska’s Redoubt Volcano began erupting explosively on the night of March 22, 2009. On March 26, 2009, the volcano erupted again, sending a column of ash some 19,800 meters (65,000 feet) above sea level, and sending a
lahar—a slurry of water and volcanic debris—through the Drift River Valley....."

" ....Redoubt is a stratovolcano composed of alternating layers of hardened lava, solidified volcanic ash, and debris produced by earlier eruptions. Sitting on the western side of Cook Inlet, the volcano rises to a height of 3,106 meters (10,197 feet). It is part of the Pacific “Ring of Fire”—a horseshoe–shaped zone of heightened seismic activity around the Pacific Ocean Basin..."

Full Article - Click Here

References / Credits:
Alaska Volcano Observatory. (2009, March 26).
Alaska Volcano Observatory Current Status Report. Accessed March 31, 2009.


Global Volcanism Program.
Redoubt. Smithsonian Institution. Accessed March 31, 2009.
NASA image created by Jesse Allen, using data provided courtesy of the USGS Land Remote Sensing Program. Caption by Michon Scott.
Instrument:
Landsat 5 - TM

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