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This page contains figures I've made over the years to help describe various processes in volcanology. Feel free to use them in any form whatsoever.
Sources of magma and eruptions
Sources of magma and eruptions
Subduction arc
Mantle plume
Rift zone
Factors that control explosive vs effusive eruptions (viscosity, ascent rate, volatile content)
Factors that control explosive vs effusive eruptions (viscosity, ascent rate, volatile content)
Magma body depressurization and dissolution of volatiles (image sequence)
Magma body depressurization and dissolution of volatiles (image sequence)
Anatomy of a stable eruption plume
Anatomy of a stable eruption plume
Color-coded plume stability regimes
Color-coded plume stability regimes
Stable
Stable
Transitional
Transitional
Collapse
Collapse
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