An ash plume rises above a rockfall on the south side of the Mount St. Helens dome during a period of lava dome growth in June 1985. Lava dome growth occurred intermittently from 1980 to 1986.

Photo by Gene Iwatsubo, 1985 (U.S. Geological Survey).

This image is made available as a Public Domain Work, but proper attribution is appreciated.

Galleries: Lava Domes | Craters

Keywords: lava dome | collapse scarp | crater | plume | degassing | avalanche | ash

St. Helens