Eruptive History at Mount St. Helens including timing of stages and pe
Detailed Description
Eruptive History at Mount St. Helens including timing of stages and periods of volcanism.
Sources/Usage
Public Domain.
Related
Eruption History of Mount St. Helens through start of Holocene
Volcanologists have recognized and named four stages of volcanic activity—Ape Canyon, Cougar, Swift Creek, and Spirit Lake—separated by dormant intervals.
Related
Eruption History of Mount St. Helens through start of Holocene
Volcanologists have recognized and named four stages of volcanic activity—Ape Canyon, Cougar, Swift Creek, and Spirit Lake—separated by dormant intervals.