Plinian eruption column from May 18, 1980 Mount St. Helens
Detailed Description
Plinian eruption column from May 18, 1980 Mount St. Helens. Aerial view from the Southwest.
Sources/Usage
Public Domain.
Related
1980 Cataclysmic Eruption
Magma began intruding into the Mount St. Helens edifice in the late winter and early spring of 1980. By May 18, the cryptodome (bulge) on the north flank had likely reached the point of instability, and was creeping more rapidly toward failure.
Related
1980 Cataclysmic Eruption
Magma began intruding into the Mount St. Helens edifice in the late winter and early spring of 1980. By May 18, the cryptodome (bulge) on the north flank had likely reached the point of instability, and was creeping more rapidly toward failure.