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Mount St. Helens Before, During, and After (WMS)
Mount St. Helens erupted on May 18, 1980, devastating more than 150 square miles of forest in southwestern Washington state. This animation shows Landsat images of the Mount St. Helens area in 1973, 1983, and 2000, illustrating the destruction and regrowth of the forest. The 1983 image clearly shows the new crater on the northern slope where the eruption occurred, the rivers and lakes covered with ash, and the regions of deforestation. The 2000 image, taken twenty years after the eruption, still shows the changed crater, but much of the devastated area is covered by new vegetation growth.

Landsat imagery of Mount St. Helens before, during, and after the devastation from the eruption in 1980.    Landsat imagery of Mount St. Helens before, during, and after the devastation from the eruption in 1980.
Duration: 6.0 seconds
Available formats:
  320x320 (29.97 fps) MPEG-1   1 MB
  160x80       PNG           23 KB
  320x160     JPEG         10 KB
  80x40         PNG           6 KB
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A Landsat-1 image of the Mount St. Helens area taken September 15, 1973    A Landsat-1 image of the Mount St. Helens area taken September 15, 1973

Available formats:
  3712 x 1944     TIFF 18 MB
  320 x 167         JPEG 11 KB


A Landsat-4 image of the Mount St. Helens area taken May 22, 1983    A Landsat-4 image of the Mount St. Helens area taken May 22, 1983

Available formats:
  3712 x 1944     TIFF 15 MB
  320 x 167         JPEG 12 KB


A Landsat-7 image of the Mount St. Helens area taken September 25, 2000    A Landsat-7 image of the Mount St. Helens area taken September 25, 2000

Available formats:
  3712 x 1944     TIFF 19 MB
  320 x 167         JPEG 13 KB

Animation Number:3116
Animators:Stuart A. Snodgrass (Lead)
 Horace Mitchell
 Marte Newcombe
Studio:SVS
Completed:2005-03-02
Scientist:Darrel Williams (NASA/GSFC)
Instruments:Landsat-1/MSS
 Landsat-4/MSS
 Landsat-7/ETM+
Data Collected:1973/09/15, 1983/05/22, 2000/09/25
Series:WMS
Keywords:
DLESE >> Forestry
DLESE >> Geology
DLESE >> Natural hazards
GCMD >> EARTH SCIENCE >> Biosphere >> Terrestrial Ecosystems >> Forests
GCMD >> EARTH SCIENCE >> Human Dimensions >> Habitat Conversion/Fragmentation >> Deforestation
GCMD >> EARTH SCIENCE >> Solid Earth >> Volcanoes >> Volcanic Ash/Dust
More Information on this topic available at:
stories/earthday2001/index.html
View Animation in Google Earth Google Earth KML file is available here.
DEPC Metadata is available here.
 
 
Please give credit for this visualization to
NASA/Goddard Space Flight Center
Scientific Visualization Studio


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