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Sequence of photographs show second eruptive pulse on July 22, 1980. Mount St. Helens, Skamania County, Washington.


Date Taken


Typed caption accompanying slides: Slide numbers 43 through 62 show the third eruptive pulse. This sequence was taken while moving clockwise from the west to the north siide of the mountain at a distance of 7 to 10 miles and at an elevation of 17,000 feet. The .zip file contains JPEG and TIFF versions of each color transparency. Note: Slide numbers 43 - 50 were taken at 19:01 and show the pyroclastic flow as it advances northward. Skamania County, Washington. July 22, 1980. Slide number 51 was taken at 19:02. Slide numbers 52 - 55 were taken at 19:03. Slide numbers 56 - 57 were taken at 19:04. Slide numbers 58 and 59 were taken at 19:04 and 19:05. Slide numbers 60 - 62 are views of the eruption and were taken at 19:06. Slide [...]


Data Owner :
U.S. Geological Survey
Photographer :
Vallance, James W.

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msh_vjw00052_ct.jpg thumbnail 66.22 KB image/jpeg
msh_vjw00052_ct.tif 941.81 KB image/geotiff 16.91 MB application/zip

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Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Superset album, Photos stacks slides collection area.


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Photo Number msh_vjw00052_ct

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