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ASTER


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Volcano Unrest in the Cascades
Click on Image to Enlarge
Volcano Unrest in the Cascades

 (JPG) Volcano Unrest in the Cascades (285 KB) ( 1,597 x 1,082 )
The ground near one of the long-dormant Three Sisters volcanoes in the Cascade Mountains of west-central Oregon has risen approximately 10 centimeters in a 10-by-20-km parcel since 1996, meaning that magma or underground lava is slowly flowing into the area, according to a research team from the U.S. Geological Survey. The Three Sisters area -- which contains five volcanoes -- is only about 170 miles from Mount St. Helens, which erupted in 1980. Both are part of the Cascades Range, a line of 27 volcanoes stretching from British Columbia in Canada to northern California. This perspective view was created by draping a simulated natural color ASTER image over digital topography from the U.S. Geological Survey National Elevation Dataset. The image is centered at 44.1 degrees north latitude, 121.8 degrees west longitude.

Click on thumbnails below for full resolution images.

Volcano Unrest in the Cascades Volcano Unrest in the Cascades
Type: (JPG)
Size: (285 KB)
Resolution ( 1,597 x 1,082 )

Please give credit for these images to:
NASA/METI/AIST/Japan Space Systems,
and U.S./Japan ASTER Science Team

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Added: 4/9/2002 1:17:58 PM
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