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NASA satellite gallery shows Chilean volcano plume moving around the world
Date:6/15/2011

p>In addition to large amounts of ash on the ground in Chile and Argentina, rainfall poses another problem. Chile's National Geology and Mining Service noted that rainfall on loose ash could trigger landslides and lahars, especially in the Andes Mountains where river valleys are clogged with ash.

According to Agence France-Presse, air travel from South America to Australia has been adversely affected. NASA confirmed the ash locations in satellite imagery over New Zealand, South Africa, and Tasmania this week.

On June 10, Aqua's MODIS showed winds pushed the plume east and northeast over Argentina. The next day, winds twisted the ash plume like a pretzel over Argentina. By June 12, Terra's MODIS instrument saw the volcano's ash plume blowing over the southwestern tip of South Africa on its way around the world, while Aqua's MODIS captured an image of the volcano that showed its plume being drawn into a low pressure system in the Atlantic Ocean.

The next day, June 13, NASA's Aqua satellite provided an image of the light brown ash plume crossing over New Zealand and Tasmania. Tasmania is an Australian island and state located 150 miles south of Australia. Later in the day Aqua's MODIS instrument showed the ash plume pouring out of the Puyehue-Cordn Caulle volcano and traveling east and northeast. The height of the plume varied during the day with the intensity of the eruption. Plumes were measured between 2.5 and 5 miles (4 and 8 kilometers) high at different times of the day.

On June 14, NASA satellite imagery from three different overpasses was pieced together by Jeff Schmaltz of the MODIS Rapid Response Team at NASA Goddard. NASA's Aqua satellite overpasses created a mosaic of the volcanic ash plume traversing the South Pacific Ocean. Meanwhile, MODIS on the Terra satellite captured another look at what was happening at the volcano. At 15:15 UTC (11:15 a.m. EDT), winds continued pushing the plume east and southeast into the Sou
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Contact: Rob Gutro
Robert.j.gutro@nasa.gov
443-858-1779
NASA/Goddard Space Flight Center
Source:Eurekalert  

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