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ASTER


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Mt. St. Helens
Click on Image to Enlarge
Mt. St. Helens

 (JPG) Mt. St. Helens (2.21 MB) ( 3,423 x 2,548 )
TOP LEFT: This ASTER image of Mt. St. Helens volcano in Washington was acquired on August 8, 2000 and covers an area of 37 by 51 km. Mount Saint Helens, a volcano in the Cascade Range of southwestern Washington that had been dormant since 1857, began to show signs of renewed activity in early 1980. On 18 May 1980, it erupted with such violence that the top of the mountain was blown off, spewing a cloud of ash and gases that rose to an altitude of 19 kilometers. The blast killed about 60 people and destroyed all life in an area of some 180 square kilometers (some 70 square miles), while a much larger area was covered with ash and debris. It continues to spit forth ash and steam intermittently. As a result of the eruption, the mountain's elevation decreased from 2,950 meters to 2,549 meters. The image is centered at 46.2 degrees north latitude, 122.2 degrees west longitude.

TOP RIGHT: This 3-D anaglyph image of Mt. St. Helens volcano combines the nadir-looking and back-looking band 3 images of ASTER. To view the image in stereo, you will need blue-red glasses. Make sure to look through the red lens with your left eye.

BOTTOM LEFT: The simulated fly-over was produced by draping ASTER visible and near infrared image data over a digital topography model, created from ASTER's 3-D stereo bands. The color was computer enhanced to create a natural color image, where the vegetation appears green. The topography has been exaggerated 2 times to enhance the appearance of the relief.

Click on thumbnails below for full resolution images.

Mt. St. Helens Mt. St. Helens
Type: (JPG)
Size: (2.21 MB)
Resolution ( 3,423 x 2,548 )
Mt. St. Helens Mt. St. Helens
Type: (JPG)
Size: (488 KB)
Resolution ( 1,200 x 1,354 )
Mt. St. Helens Flyby Animation Mt. St. Helens Flyby Animation
Type: (MPG)
Size: (2.48 MB)
Resolution ( 640 x 480 )

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

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FIRST GOV
CL 97-1376
9726 hits since 09/15/06.
Added: 10/22/2001 9:48:30 AM
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