Ash cloud from May 18, 1980 eruption of Mount St. Helens over Ephra...

Ash cloud from May 18, 1980 eruption of Mount St. Helens over Ephra...

Detailed Description

Ash cloud from May 18, 1980 eruption of Mount St. Helens over Ephrata, Washington (230 km (145 mi) downwind).

Details

Image Dimensions: 1000 x 672

Date Taken:

Source:


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