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Low or high viscosity in mount saint Helen's?
The lava in Mt. St Helen has high viscosity.
What type of lava form mount st Helen?
Basalt
What type of volcanoes are mount Shasta Mount Fuji and mount St Helen's?
Mount Fuji and Mount St. Helen's are composite, or strato-volcanoes. Composed of layers of lava, tephra, ash, and other things.
What is mount st Helen potential hazard?
Pyroclastic flows Lehars lava mudflows Hope this helps :)
On Mount Saint Helens the hot lava melted the snow and caused a?
On Mount Saint Helens, the hot lava melted the snow and ice, and it caused surges of water that eroded and this mixed with loose rock debris. This created volcanic mudflows or lahars.
Why did st Helens volcano iruped?
hopefully this answers your question... i have seen a movie about mount saint Helen. this erupted because of a sudden shake in the ground igniting the fumes in the chamber then busting open the cap shooting rock and lava.
Was mount st helen's lava a'a or pohoehoe?
Niether. The eruption of 1980 did not produce lava flows, it produced pumice and ash. Afterward it started building a dome of dacitic lava. Pahoehoe and a'a are basaltic lava, which has a different composition and a much lower viscosity.
Why did people like to and visit Mount St Helen?
If you mean after it erupted, probably to explore the lava tubes which are breath taking. It was an amazing experience.
What do these famous mountains have in common -Mount Etna in Sicily Mount St. Helen's in the U.S. and Mount Vesuvius in Italy?
They are all volcanoes with lava having a high water content and thus producing highly explosive eruptions.
What makes up Mount St. Helen?
Mt. St. Helen's is a stratovolcano, which means it is made up of lava, ash, and cinder. A stratovocano explosions are made up of trapped gasses inside the volcano, exploding lava, hot ash, and cinder and are usually extremely violent.
What type of lava is Mount Everest?
Mount Everest has no lava because it is not a volcano
What preventable measures were taken to keep people as safe as possible during the 1980 Mount St Helen's Eruption?
In the eruption of 1980 in Mt. St. Helen's, the evacuation routes were used to escape the lava flow and get to higher grounds.
