Mt. Saint Helens is a composite volcano. Composite volcanoes are formed by some alternating layers of tephra (rock debris thrown into the air by volcanic eruptions) and lava. Composite volcanoes usually erupt violently and are large and steep-sided.
Mount St Helens is a composite cone (strato) volcano.
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
On a continental plate. Mount Saint Helens is on a convergent plate boundary. The Juan de Fuca plate is being pushed under the North American Plate.
Mount St. Helens, an active stratovolcano, is of the composite type.
Mount St. Helens is located along the Cascadia Subduction Zone, where the Juan de Fuca Plate is subducting beneath the North American Plate. This subduction zone is a convergent plate boundary, resulting in the volcanic activity that built the mountain and led to its catastrophic eruption in 1980.
Mount St Helens is a composite cone (strato) volcano.
a pyroclastic flow
Yes. Forests grew on portions of the slopes of Mount St. Helens but were wiped out by the 1980 eruption. Some life has returned to the lower slopes.
Volcano
Volcano.
Like most stratovolcanoes, Mount St Helens alternates between explosive and effusive eruptions.
On a continental plate. Mount Saint Helens is on a convergent plate boundary. The Juan de Fuca plate is being pushed under the North American Plate.
It's an active stratovolcano
Mt.St. Helens Is a stratovolcano.
subduction
Mount St. Helens, an active stratovolcano, is of the composite type.
A convergent I believe with subduction.