English: Phreatic eruption at the summit of Mount St. Helens. Hundreds of these steam-driven explosive eruptions occurred as magma steadily rose into the cone and boiled groundwater. These phreatic eruptions preceded the volcano's plinian eruption in May 1980.
The original description page was here. All following user names refer to en.wikipedia.
2008-01-22 04:38 Axcordion 500×800× (89865 bytes) {{Information |Description=Phreatic eruption at the summit of Mount St. Helens. Hundreds of these steam-driven explosive eruptions occurred as magma steadily rose into the cone and boiled groundwater. These phreatic eruptions preceded the volcano's plini
Captions
Add a one-line explanation of what this file represents
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Phreatic eruption at the summit of Mount St. Helens. Hundreds of these steam-driven explosive eruption